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  • Algone For Your Aquarium
      • Algone Creates Beautiful & Healthy Aquariums

        Clear Cloudy Aquarium Water
        Remove Nitrate & Ammonia
        Prevent Common Problems
        Polish Water Crystal Clear
        Restore Healthy Aquatic Conditions 
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      • Algone clears cloudy aquarium water, removes nitrate, and maintains all aquarium types!

        Use Algone in:

        Freshwater Aquariums
        Saltwater Aquariums
        Reef Tanks
        Planted Aquariums
        Algone clears cloudy aquarium water, removes nitrate, and maintains all aquarium types!

        Use Algone in:

        Freshwater Aquariums
        Saltwater Aquariums
        Reef Tanks
        Planted Aquariums
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  • Aquarium Articles
        • Aquarium Maintenance
        • view all
          • Flake food for aquarium fishAquarium fish food and diet requirements
          • Neon tetras in clear water freshwater aquariumAquarium maintenance tips and fish care guidelines
          • LionfishAquarium water test kits and testing methods
          • Large polyp coralBacteria and antibiotics in the aquarium
          • Golden pufferfish in fish-only saltwater aquariumChoosing the right aquarium fish food
          • Trigger fish swimming sideways in saltwater aquariumCommon aquarium & fish keeping mistakes
          • Feeding fishHow much should I feed my aquarium fish?
          • Keeping frogs in an aquariumKeeping African Dwarf Frogs in the aquarium
          • Clownfish in aquariumUsing Algone for preventative aquarium maintenance
          • Copperbanded butterflyfishWater change and aquarium maintenance
          • Striped african cichlidWhat causes cloudy aquarium water?
          • Clown trigger fishWhere does aquarium nitrate come from?
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        • Neon tetras in clear water freshwater aquariumAquarium maintenance tips and fish care guidelines
        • Golden pufferfish in fish-only saltwater aquariumChoosing the right aquarium fish food
        • Trigger fish swimming sideways in saltwater aquariumCommon aquarium & fish keeping mistakes
        • Striped african cichlidWhat causes cloudy aquarium water?
        • Aquarium Basics
        • view all
          • Acanthurus Sohal SurgeonfishActivated carbon and chemical aquarium filtration
          • Clown Fish in anemoneAquarium cycling without fish
          • yellow tropical fishAquarium filtration & filter options
          • Clownfish in aquariumAquarium lighting options for a healthy fish tank
          • Picasso triggerfishAquarium power consumption. Energy cost of a fish tank
          • Testing aquarium waterAquarium water parameters for a balanced fish tank
          • tiger barbs in aquariumAquariums and power outages
          • ClownfishBiological filtration balances the aquarium
          • Triggerfish Crossbow-clown, Balistoides Conspicillum)Cause & effect of aquarium phosphates
          • Naso TangChemical aquarium filtration
          • Fish in blue waterChoose compatible fish for a new aquarium
          • Flowerhorn CichlidChoosing the right aquarium substrate
          • Lion fish in aquariumConverting a freshwater aquarium to saltwater
          • Yellow Cichlid Fish in AquariumCycling the aquarium without fish
          • Pleco Catfish Hypostomus Plecostomus aquarium fishEffects of ammonia on aquarium fish
          • Close
        • yellow tropical fishAquarium filtration & filter options
        • Crowded fish bowlFish population – stocking guidelines for the aquarium
        • Soft corals in reef tankNitrifying bacteria – Breaking down aquarium waste
        • The aquarium nitrogen cycleThe aquarium nitrogen cycle aka biological filtration
        • Saltwater & Reef
        • view all
          • Lion fish in blue aquarium waterAlgone in Saltwater Aquariums
          • Blue TangAquarium UV Sterilization
          • White Seahorses in fish tankCaring for seahorses in the aquarium
          • Lion fish in aquariumConverting a freshwater aquarium to saltwater
          • coralline algae in reef aquariumCoralline algae in the reef aquarium
          • PolypsCynaobacteria aka red slime algae
          • Reef AquariumHow to maintain a reef tank
          • niger triggerfish odonusKalkwasser in the marine aquarium
          • LED aquarium lightsLED aquarium lighting
          • Reef AquariumLive rock in the reef aquarium
          • Large polyp coralMaintain a Reef Tank with Algone
          • Clownfish in reef tankProtein skimmer for reef tanks
          • invertebrate in aquariumReverse osmosis for saltwater & reef aquariums
          • Lion fish in blue aquarium waterSalinity & specific gravity
          • Polyp CoralSoft corals in the reef tank
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        • Lion fish in blue aquarium waterSalinity & specific gravity
        • Clownfish in reef tankProtein skimmer for reef tanks
        • Large polyp coralMaintain a Reef Tank with Algone
        • Common Problems
        • view all
          • Red head salmler hemmigrammus rhodostonusAlgaecides and how they control algae growth in the aquarium
          • School of tropical aquarium fishAquarium algae control & prevention
          • Beautiful aquarium fishAre nitrates harmful for my aquarium?
          • Aquarium goldfishCloudy aquarium water and Algone
          • Trigger fish swimming sideways in saltwater aquariumCommon aquarium & fish keeping mistakes
          • Yellow tang in reef tankControl nitrate for real aquarium algae control
          • bristle nose catfishDescription of common aquarium algae
          • Green algae in aquariumGetting rid of aquarium algae
          • A colorful close up shot of a Discus FishGreen aquarium water, a free-floating algae bloom
          • Lion fish in blue aquarium waterHow to clear cloudy aquarium water
          • Powder Blue TangHow to clear green aquarium water
          • Tropical freshwater aquarium with fishesHow to control aquarium algae & clear green water
          • African Cichlids in aquariumHow to recognize if your aquarium is out of balance
          • Plecostomus on glass of fish tankHow to remove nitrate from the aquarium
          • Setting up new aquariumNew tank syndrome
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        • Reef AquariumPreventing Aquarium Nitrate
        • Green algae in aquariumGetting rid of aquarium algae
        • School of tropical aquarium fishAquarium algae control & prevention
        • Fish Health
        • view all
          • Flake food for aquarium fishAquarium fish food and diet requirements
          • Fish in reef tankAquarium fish health
          • Blue TangAquarium UV Sterilization
          • Blue Tang in reef tankCommon aquarium fish diseases
          • PufferfishFish stress and illness in the aquarium
          • Yellow African CichlidIch (ick) and your aquarium fish
          • Aquarium water changes can have your fish jumping for reliefIs the water change harmful?
          • Colorful African CichlidSick aquarium fish
          • Yellow fishToxic aquarium water & fish poisoning
          • Black Tetra fish in planted aquariumTreating sick aquarium fish with dips and baths
          • tiger-barb-fishUsing a quarantine tank to protect and treat fish for disease
          • African cichlids in freshwater aquariumUsing salt in the freshwater aquarium
          • African cichlid in fish tankWorms in the aquarium
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        • Aquarium water changes can have your fish jumping for reliefIs the water change harmful?
        • Colorful African CichlidSick aquarium fish
        • PufferfishFish stress and illness in the aquarium
      • Triggerfish Crossbow-clown, Balistoides Conspicillum)
        School of tropical aquarium fish
        Cardinal in reef aquarium
        Multiple goldfish swimming in aquarium
        Lion fish in blue aquarium water
        Tropical freshwater aquarium with fish

        Enjoy a Beautiful & Healthy Aquarium!

        Learn More

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Aquarium Information and Fish Keeping Resources

Neon tetras in clear water freshwater aquarium

Aquarium Maintenance and Fish Care Information

Aquarium maintenance tips and fish care guidelines

Good aquarium maintenance practices will lead to a healthy aquatic environment and thriving fish, providing [...]

148 Comments

yellow tropical fish
Aquarium filtration & filter options

Aquarium filtration is the single most important requirement for a [...]

04
Dec
Crowded fish bowl
Fish population – stocking guidelines for the aquarium

The reason for having an aquarium is to keep fish. [...]

27
Sep
Soft corals in reef tank
Nitrifying bacteria – Breaking down aquarium waste

Nitrifying bacteria aka the good or beneficial bacteria, are present after [...]

12
Aug
Lion fish in blue aquarium water

Saltwater & Reef Aquariums

Salinity & specific gravity

The preferred water for marine and reef tanks is RO/DI water, as it is in [...]

9 Comments

11
Aug
The aquarium nitrogen cycle
The aquarium nitrogen cycle aka biological filtration

One characteristic, next to passion for the hobby, every aquarist should have or obtain, is [...]

10 Comments

27
Jul
Clownfish in reef tank
Protein skimmer for reef tanks

A protein skimmer can be an indispensable piece of equipment for marine and reef aquariums. [...]

2 Comments

15
Apr
Angelfish enjoy an aquarium with live plants
Challenges of keeping live plants in the aquarium

Keeping a planted tank can be as easy as keeping a fish only aquarium. Photosynthesis [...]

3 Comments

08
Sep
Angelfish in fish tank
Essentials of keeping live aquarium plants

Focusing on a few basic requirements and a [...]

01
Aug
Large polyp coral
Maintain a Reef Tank with Algone

Running a delicate reef aquarium? ALGONE creates the [...]

4 Comments

12
Jul
Reef Aquarium
How to maintain a reef tank

Create and maintain a reef tank. Here’s our quick [...]

11
Jul
Reef Aquarium
Preventing Aquarium Nitrate

Nitrates are the end result of the  – [...]

4 Comments

09
Jan
Green algae in aquarium
Getting rid of aquarium algae

Getting rid of algae in aquariums is a [...]

2 Comments

28
Dec
School of tropical aquarium fish
Aquarium algae control & prevention

Once algae becomes a problem, treating the cause [...]

3 Comments

25
Nov
Setting up new aquarium
New tank syndrome

One should think, starting out with a new [...]

1 Comment

08
Nov
Aquarium goldfish
Cloudy aquarium water and Algone

Cloudy water can hit any aquarium at any [...]

2 Comments

28
Aug
Guppies in the aquarium
What causes milky white cloudy aquarium water?

Milky white cloudy aquarium water is often just temporary. [...]

67 Comments

11
Jun
Aquarium water changes can have your fish jumping for relief
Is the water change harmful?

The water change is the most basic and [...]

1 Comment

21
May
Green water and algae in the aquarium are the result of high nitrates
The secret to crystal clear aquarium water

Most, if not all bad things that can [...]

6 Comments

15
May
African Cichlids in aquarium
How to recognize if your aquarium is out of balance

Did you ever look at your aquarium and [...]

6 Comments

09
May
Colorful African Cichlid
Sick aquarium fish

Bacteria and viruses are usually always present in [...]

06
May
Few discus fish in aquarium
How to catch a fish in an aquarium

Anyone who has ever attempted to catch a [...]

2 Comments

22
Apr
Nano Reef Tank
Is a nano tank right for me?

Nano is greek for dwarf and refers to [...]

21
Apr
The ideal pH level for planted aquariums is anywhere between 6 - 8.5
How to adjust the pH in your aquarium

What are the effects of pH in the [...]

57 Comments

11
Apr
Clownfish in aquarium
Aquarium lighting options for a healthy fish tank

Also see our post about ” here! The [...]

31 Comments

04
Apr
Beautiful aquarium fish
Are nitrates harmful for my aquarium?

Aquarium nitrate is inevitable as it results from [...]

6 Comments

25
Dec
Red head salmler hemmigrammus rhodostonus
Algaecides and how they control algae growth in the aquarium

See our post about ” for real, effective and [...]

4 Comments

17
Nov
Lion fish in blue aquarium water
How to clear cloudy aquarium water

What is cloudy water? In short, it’s a [...]

77 Comments

25
Oct
The ideal pH level for planted aquariums is anywhere between 6 - 8.5
The Dutch style aquarium

The origins of the Dutch Style aquarium date [...]

15
Oct
Clownfish
What is green aquarium water? And what causes it?

Green aquarium water is a free-floating algae bloom. [...]

05
Oct
Yellow tang in reef tank
Control nitrate for real aquarium algae control

Once the aquarium is experiencing a full-blown algae [...]

04
Oct
School of tropical aquarium fish
Clear and Balanced Freshwater Aquariums with Algone

ALGONE is the perfect filter supplement for the [...]

4 Comments

12
Sep
LED aquarium lights
LED aquarium lighting

Fluorescent lights have been the fish keeper’s top [...]

9 Comments

03
Sep
Golden pufferfish in fish-only saltwater aquarium
Choosing the right aquarium fish food

The nutritional requirements of fish vary greatly depending [...]

06
Aug
Trigger fish swimming sideways in saltwater aquarium
Common aquarium & fish keeping mistakes

Tank selection, type of filtration, filtration output, substrate, [...]

1 Comment

14
Jul
Powder Blue Tang in reef tank
Large aquarium vs the small fish tank

Also see ” for more information on aquarium [...]

2 Comments

04
Jun
Lion fish in blue aquarium water
Algone in Saltwater Aquariums

Use ALGONE in saltwater aquariums! Keep the aquarium [...]

14
May
A colorful close up shot of a Discus Fish
Green aquarium water, a free-floating algae bloom

Green aquarium water is often referred to as [...]

10
May
Striped african cichlid
What causes cloudy aquarium water?

If you just started your aquarium, or recently [...]

6 Comments

08
May
The ideal pH level for planted aquariums is anywhere between 6 - 8.5
Algone in Planted Tanks

What Algone does: Clears cloudy aquarium water, removes [...]

20
Apr
Clown trigger fish
Where does aquarium nitrate come from?

There are various sources of aquarium nitrate, some [...]

12
Mar
Large polyp coral
Bacteria and antibiotics in the aquarium

Friendly bacteria include the scavenging, decomposing bacteria digesting [...]

11 Comments

23
Feb
Tropical freshwater aquarium with fishes
How to control aquarium algae & clear green water

Aquarium algae, like any plant, require the following [...]

04
Feb
Plecostomus on glass of fish tank
How to remove nitrate from the aquarium

Nitrates are generally very low in natural waters, [...]

12 Comments

21
Jan
Pufferfish
Fish stress and illness in the aquarium

Everything outside the required environmental- or behavioral needs [...]

11
Jan
Aquarium fish
Old tank syndrome – the aging aquarium

So, your tank is doing well. No fish [...]

2 Comments

17
Dec
Aquarium goldfish
The importance of oxygen in the aquarium

How important is oxygen in the aquarium? This [...]

13 Comments

16
Dec
Using a quarantine tank to protect and treat fish for disease

The quarantine tank is also known as the [...]

15
Dec
Blue Ring Angelfish
Zooxanthellae and corals

Zooxanthellae are the symbiotic algae that live within [...]

3 Comments

14
Dec
Powder Blue Tang
How to clear green aquarium water

Step one: Keep your cool! Once fish disappear [...]

12 Comments

10
Dec
Blue Tang
Aquarium UV Sterilization

Ultraviolet sterilization (UV) is a process to eliminate [...]

30
Nov
Blue Tang in reef tank
Common aquarium fish diseases

The following should only be used as a [...]

4 Comments

18
Nov
Fish in reef tank
Aquarium fish health

Fish health starts with the selection of the [...]

17
Nov
tiger barbs in aquarium
Aquariums and power outages

Think of an aquarium as an intensive care [...]

4 Comments

07
Nov
Clownfish in aquarium
Using Algone for preventative aquarium maintenance

Good old Ben Franklin is quoted as saying [...]

28
Oct
Picasso triggerfish
Aquarium power consumption. Energy cost of a fish tank

Next to food and maintenance products, the biggest [...]

6 Comments

21
Oct
Yellow African Cichlid
Ich (ick) and your aquarium fish

Ich is a highly contagious parasitic infestation caused [...]

24 Comments

18
Oct
Polyps
Cynaobacteria aka red slime algae

Cyanobacteria appear in both salt- and freshwater setups [...]

07
Oct
Tropical freshwater aquarium with fish
Overfeeding fish causes cloudy aquarium water

What happens if I overfeed my aquarium fish? [...]

10 Comments

28
Sep
Acanthurus Sohal Surgeonfish
Activated carbon and chemical aquarium filtration

Carbonization is a complex procedure by which the [...]

4 Comments

28
Sep
neon tetra fish in aquarium
Aquarium plant health guide

Mineral deficiencies can be detected by observing the [...]

6 Comments

24
Sep
Black Tetra fish in planted aquarium
Treating sick aquarium fish with dips and baths

Newly bought fish or sick fish are best [...]

21 Comments

22
Sep
White Seahorses in fish tank
Caring for seahorses in the aquarium

Aqua culturing (commercial breeding) has made it possible [...]

17
Sep
Lionfish
Aquarium water test kits and testing methods

Test kits are available in strips (dip sticks), [...]

02
Sep
Fish in a planted aquarium
Nitrites and the aquarium nitrogen cycle

Nitrites are the second stage in the nitrogen [...]

17
Aug
Clownfish
Biological filtration balances the aquarium

Water…clarity does not mean purity. Understanding the water [...]

2 Comments

31
Jul
Yellow Cichlid Fish in Aquarium
Cycling the aquarium without fish

An aquarium is considered safe for livestock once [...]

22
Jul
Keeping frogs in an aquarium
Keeping African Dwarf Frogs in the aquarium

The African Dwarf Frog is an aquatic species [...]

4 Comments

20
Jul
Flowerhorn Cichlid
Choosing the right aquarium substrate

Aquarium substrate has various functions and should be [...]

14 Comments

11
Jul
Flake food for aquarium fish
Aquarium fish food and diet requirements

Feeding your fish an improper diet is as [...]

1 Comment

07
Jul
Pleco Catfish Hypostomus Plecostomus aquarium fish
Effects of ammonia on aquarium fish

Ammonia buildup results from a breakdown of fish [...]

3 Comments

15
Jun
niger triggerfish odonus
Kalkwasser in the marine aquarium

The main benefit of Kalkwasser use is that [...]

15
Jun
African cichlids in freshwater aquarium
Using salt in the freshwater aquarium

Some hobbyists religiously use salt in fresh-water set-ups. [...]

61 Comments

14
Jun
Copperbanded butterflyfish
Water change and aquarium maintenance

Water Changes – Probably the most dreaded part [...]

3 Comments

09
Jun
Naso Tang
Chemical aquarium filtration

The complexity and diversity of each aquarium, makes [...]

19
May
Yellow fish
Toxic aquarium water & fish poisoning

Signs of Poison Toxicity levels vary depending on [...]

59 Comments

11
May
Polyp Coral
Soft corals in the reef tank

Soft corals can be found worldwide in tropical [...]

10
May
Reef Aquarium
Live rock in the reef aquarium

Most live rock comes from areas close to [...]

28
Apr
Gold fish in first aquarium
Setting up your first aquarium

If you are thinking about setting up an [...]

24
Apr
Discus fish in planted tank
Fertilizing aquarium plants

Next to a suitable substrate, light, CO2 and [...]

6 Comments

21
Apr
Fish in blue water
Choose compatible fish for a new aquarium

The first 3 months of starting a new [...]

19
Apr
Silver Dollar aquarium fish
Vacation tips for the aquarium owner

Before leaving for vacation the following care tips [...]

18
Mar
Clown Fish in anemone
Aquarium cycling without fish

The Classic Approach When setting up an aquarium, [...]

17 Comments

15
Mar
coralline algae in reef aquarium
Coralline algae in the reef aquarium

Coralline algae are divided into two groups: The [...]

11
Feb
invertebrate in aquarium
Reverse osmosis for saltwater & reef aquariums

In order to understand the method of osmosis; [...]

19
Jan
African cichlid in fish tank
Worms in the aquarium

Worms in the aquarium. Are they common? Who [...]

132 Comments

05
Jan
Planted aquarium
Growing healthy aquarium plants

Excellent plant growth lies in the substrate. If [...]

1 Comment

27
Nov
Coral Anatomy
What is coral bleaching?

Coral bleaching refers to the acute release or [...]

2 Comments

26
Nov
Guppy fish
The small aquarium

What about 1, 2, 5 and 10 Gallon [...]

5 Comments

19
Nov
goldfish in aquarium close-up
History of the aquarium & fish keeping

Early cultures such as the Egyptians, Greeks, and [...]

1 Comment

23
Oct
Small cichlid
Freshwater fish habitats

Most aquarium fish today are commercially bred. Not [...]

14
Oct
bristle nose catfish
Description of common aquarium algae

Need help identifying algae in your aquarium? See [...]

2 Comments

03
Oct
Colorful saltwater fish in reef tank
Nitrate & the aquarium nitrogen cycle

Nitrates are the result of the bacterial breakdown [...]

31
Jul
Feeding fish
How much should I feed my aquarium fish?

Overfeeding results in the accumulation of waste simply [...]

5 Comments

18
May
Lion fish in aquarium
Converting a freshwater aquarium to saltwater

A common misconception is that you have to [...]

43 Comments

10
May
Testing aquarium water
Aquarium water parameters for a balanced fish tank

Below is an overview of vital aquarium water [...]

3 Comments

05
May
Moving your aquarium
Reduce fish stress when moving your aquarium

Moving an aquarium can be a real challenge. [...]

22
Feb
Multiple goldfish swimming in aquarium
The right fish for your aquarium

The rule of thumb for aquarium stocking rates [...]

17
Feb
silver dollar Metynnis hypsauchen
The brackish aquarium

Brackish habitats can be found in nature throughout [...]

16
Nov
Triggerfish Crossbow-clown, Balistoides Conspicillum)
Cause & effect of aquarium phosphates

All living organism contain phosphorus. Phosphorus is an [...]

9 Comments

19
Jan
Neon tetras in clear water freshwater aquarium

Aquarium Maintenance and Fish Care Information

Aquarium maintenance tips and fish care guidelines

Good aquarium maintenance practices will lead to a healthy aquatic environment and thriving fish, providing [...]

148 Comments

yellow tropical fish
Aquarium filtration & filter options

Aquarium filtration is the single most important requirement for a [...]

04
Dec
Crowded fish bowl
Fish population – stocking guidelines for the aquarium

The reason for having an aquarium is to keep fish. [...]

27
Sep
Soft corals in reef tank
Nitrifying bacteria – Breaking down aquarium waste

Nitrifying bacteria aka the good or beneficial bacteria, are present after [...]

12
Aug
Lion fish in blue aquarium water

Saltwater & Reef Aquariums

Salinity & specific gravity

The preferred water for marine and reef tanks is RO/DI water, as it is in [...]

9 Comments

11
Aug
The aquarium nitrogen cycle
The aquarium nitrogen cycle aka biological filtration

One characteristic, next to passion for the hobby, every aquarist should have or obtain, is [...]

10 Comments

27
Jul
Clownfish in reef tank
Protein skimmer for reef tanks

A protein skimmer can be an indispensable piece of equipment for marine and reef aquariums. [...]

2 Comments

15
Apr
Angelfish enjoy an aquarium with live plants
Challenges of keeping live plants in the aquarium

Keeping a planted tank can be as easy as keeping a fish only aquarium. Photosynthesis [...]

3 Comments

08
Sep
Angelfish in fish tank

Caring for Aquarium Plants

Essentials of keeping live aquarium plants

Focusing on a few basic requirements and a general understanding of the plants needs, will turn a fish only tank [...]

01
Aug
Large polyp coral

Aquarium Care with Algone Saltwater & Reef Aquariums

Maintain a Reef Tank with Algone

Running a delicate reef aquarium? ALGONE creates the perfect low-nutrient environment for a healthy, thriving reef tank! Clarity, Balance & [...]

12
Jul
Reef Aquarium

Saltwater & Reef Aquariums

How to maintain a reef tank

Create and maintain a reef tank. Here’s our quick guide on a successful reef aquarium: Calcium Calcium is the building block for [...]

11
Jul
Reef Aquarium

Aquarium Care with Algone Aquarium Problem Solving General Aquarium & Fish Information

Preventing Aquarium Nitrate

Nitrates are the end result of the  – or oxidation process – that begins with . One step ahead and [...]

09
Jan
Green algae in aquarium

Aquarium Problem Solving

Getting rid of aquarium algae

Getting rid of algae in aquariums is a multistep process which requires time. Resist using algaecides as they only cover [...]

28
Dec
School of tropical aquarium fish

Aquarium Problem Solving

Aquarium algae control & prevention

Once algae becomes a problem, treating the cause is required for a lasting and successful solution. Treating algae directly is [...]

25
Nov
Setting up new aquarium

Aquarium Problem Solving

New tank syndrome

One should think, starting out with a new hobby is like learning by trial and error, or better, learning by [...]

08
Nov
Aquarium goldfish

Aquarium Care with Algone Aquarium Problem Solving

Cloudy aquarium water and Algone

Cloudy water can hit any aquarium at any stage, at any time. The causes are as plentiful as the solutions. [...]

28
Aug
Guppies in the aquarium

Aquarium Problem Solving

What causes milky white cloudy aquarium water?

Milky white cloudy aquarium water is often just temporary. Poorly rinsed gravel in a new aquarium can cause white cloudiness. Restarting the [...]

11
Jun
Aquarium water changes can have your fish jumping for relief

Fish Health

Is the water change harmful?

The water change is the most basic and essential part of . But can it harm or kill fish? Waste [...]

21
May
Green water and algae in the aquarium are the result of high nitrates

Aquarium Care with Algone

The secret to crystal clear aquarium water

Most, if not all bad things that can happen within the fish tank are caused by chemical and/or biological imbalances [...]

15
May
African Cichlids in aquarium

Aquarium Problem Solving

How to recognize if your aquarium is out of balance

Did you ever look at your aquarium and notice that the pH levels were off, or that the nitrates skyrocketed [...]

09
May
Colorful African Cichlid

Fish Health

Sick aquarium fish

Bacteria and viruses are usually always present in the aquarium water. Parasites or disease causing bacteria can either be dormant, [...]

06
May
Few discus fish in aquarium

General Aquarium & Fish Information

How to catch a fish in an aquarium

Anyone who has ever attempted to catch a fish in the aquarium knows this can be a challenging and frustrating [...]

22
Apr
Nano Reef Tank

General Aquarium & Fish Information

Is a nano tank right for me?

Nano is greek for dwarf and refers to small, compact aquariums not exceeding 30 gallons. Most common are 10 gallons [...]

21
Apr
The ideal pH level for planted aquariums is anywhere between 6 - 8.5

General Aquarium & Fish Information

How to adjust the pH in your aquarium

What are the effects of pH in the aquarium? High Alkaline pH changes in the aquarium, even if small, can [...]

11
Apr
Clownfish in aquarium

General Aquarium & Fish Information

Aquarium lighting options for a healthy fish tank

Also see our post about ” here! The correct aquarium lighting depends on the individual set-up and the light requirements [...]

04
Apr
Beautiful aquarium fish

Aquarium Problem Solving

Are nitrates harmful for my aquarium?

Aquarium nitrate is inevitable as it results from the break down of waste. Below is a brief outline of the [...]

25
Dec
Red head salmler hemmigrammus rhodostonus

Aquarium Problem Solving

Algaecides and how they control algae growth in the aquarium

See our post about ” for real, effective and long-term aquarium algae control. The most effective way to control aquarium algae [...]

17
Nov
Lion fish in blue aquarium water

Aquarium Problem Solving

How to clear cloudy aquarium water

What is cloudy water? In short, it’s a bacterial bloom. However it is not the beneficial bacteria normally referred to [...]

25
Oct
The ideal pH level for planted aquariums is anywhere between 6 - 8.5

Caring for Aquarium Plants

The Dutch style aquarium

The origins of the Dutch Style aquarium date back to the early 1900’s, and its principles have not changed since. [...]

15
Oct
Clownfish

Aquarium Problem Solving

What is green aquarium water? And what causes it?

Green aquarium water is a free-floating algae bloom. It can be frustrating to deal with, especially for the beginner fish [...]

05
Oct
Yellow tang in reef tank

Aquarium Problem Solving

Control nitrate for real aquarium algae control

Once the aquarium is experiencing a full-blown algae bloom, nutrient control alone is only part of the recovery process. But [...]

04
Oct
School of tropical aquarium fish

Aquarium Care with Algone

Clear and Balanced Freshwater Aquariums with Algone

ALGONE is the perfect filter supplement for the freshwater aquarium! Sparkling Clear & Balanced Freshwater Aquariums What Algone does: Clears [...]

12
Sep
LED aquarium lights

Saltwater & Reef Aquariums

LED aquarium lighting

Fluorescent lights have been the fish keeper’s top choice for lighting the aquarium. In addition, for more specific needs, VHO [...]

03
Sep
Golden pufferfish in fish-only saltwater aquarium

Aquarium Maintenance and Fish Care Information

Choosing the right aquarium fish food

The nutritional requirements of fish vary greatly depending on species, as well as age. For example, juveniles require more protein [...]

06
Aug
Trigger fish swimming sideways in saltwater aquarium

Aquarium Maintenance and Fish Care Information Aquarium Problem Solving

Common aquarium & fish keeping mistakes

Tank selection, type of filtration, filtration output, substrate, lighting… making the right selections and avoiding some of the most common [...]

14
Jul
Powder Blue Tang in reef tank

General Aquarium & Fish Information

Large aquarium vs the small fish tank

Also see ” for more information on aquarium size. Any aquarium owner would immediately have to say yes! Bigger is [...]

04
Jun
Lion fish in blue aquarium water

Aquarium Care with Algone Saltwater & Reef Aquariums

Algone in Saltwater Aquariums

Use ALGONE in saltwater aquariums! Keep the aquarium balanced, the fish healthy, and the water sparkling clear! Pristine, Balanced & [...]

14
May
A colorful close up shot of a Discus Fish

Aquarium Problem Solving

Green aquarium water, a free-floating algae bloom

Green aquarium water is often referred to as “pea soup”. Free floating single celled algae grows at such a rapid [...]

10
May
Striped african cichlid

Aquarium Maintenance and Fish Care Information

What causes cloudy aquarium water?

If you just started your aquarium, or recently changed the gravel and are experiencing a grayish discoloration of the aquarium [...]

08
May
The ideal pH level for planted aquariums is anywhere between 6 - 8.5

Aquarium Care with Algone Caring for Aquarium Plants

Algone in Planted Tanks

What Algone does: Clears cloudy aquarium water, removes nitrates, restores and maintains tank’s biological balance, prevents common problems caused by [...]

20
Apr
Clown trigger fish

Aquarium Maintenance and Fish Care Information

Where does aquarium nitrate come from?

There are various sources of aquarium nitrate, some can be avoided and some are inevitable. Remember, high nitrate concentrations in [...]

12
Mar
Large polyp coral

Aquarium Maintenance and Fish Care Information

Bacteria and antibiotics in the aquarium

Friendly bacteria include the scavenging, decomposing bacteria digesting uneaten fish food, plant matter, dead algae, and basically everything that consist [...]

23
Feb
Tropical freshwater aquarium with fishes

Aquarium Problem Solving

How to control aquarium algae & clear green water

Aquarium algae, like any plant, require the following to thrive: Oxygen, light, water and nutrients (primarily nitrate). How to control [...]

04
Feb
Plecostomus on glass of fish tank

Aquarium Problem Solving

How to remove nitrate from the aquarium

Nitrates are generally very low in natural waters, in part by the high rate of dilution due to large quantities [...]

21
Jan
Pufferfish

Fish Health

Fish stress and illness in the aquarium

Everything outside the required environmental- or behavioral needs of your fish causes stress. Stress greatly affects the health, reduces the [...]

11
Jan
Aquarium fish

Aquarium Problem Solving

Old tank syndrome – the aging aquarium

So, your tank is doing well. No fish losses, no diseases, and crystal clear water. Everything seems fine. Then all [...]

17
Dec
Aquarium goldfish

General Aquarium & Fish Information

The importance of oxygen in the aquarium

How important is oxygen in the aquarium? This is a subject that is not often discussed or taken under consideration. [...]

16
Dec

Fish Health

Using a quarantine tank to protect and treat fish for disease

The quarantine tank is also known as the hospital tank. Whatever you call it the purpose is the same…to protect [...]

15
Dec
Blue Ring Angelfish

Saltwater & Reef Aquariums

Zooxanthellae and corals

Zooxanthellae are the symbiotic algae that live within the hard or stony corals. The symbiotic relation is based on the [...]

14
Dec
Powder Blue Tang

Aquarium Problem Solving

How to clear green aquarium water

Step one: Keep your cool! Once fish disappear in green water, we often act with a sense of urgency. We [...]

10
Dec
Blue Tang

Fish Health Saltwater & Reef Aquariums

Aquarium UV Sterilization

Ultraviolet sterilization (UV) is a process to eliminate biological contamination, namely parasite fungus and bacteria. Two types are commercially available, [...]

30
Nov
Blue Tang in reef tank

Fish Health

Common aquarium fish diseases

The following should only be used as a guide for the identification of potential fish diseases. If you have a problem [...]

18
Nov
Fish in reef tank

Fish Health

Aquarium fish health

Fish health starts with the selection of the fish themselves. Choose a pet store not only for their inventory and [...]

17
Nov
tiger barbs in aquarium

General Aquarium & Fish Information

Aquariums and power outages

Think of an aquarium as an intensive care unit, and the filtration system as the life support for your fish. [...]

07
Nov
Clownfish in aquarium

Aquarium Care with Algone Aquarium Maintenance and Fish Care Information Aquarium Problem Solving General Aquarium & Fish Information

Using Algone for preventative aquarium maintenance

Good old Ben Franklin is quoted as saying “an ounce of prevention is worth a pound of cure”. That most [...]

28
Oct
Picasso triggerfish

General Aquarium & Fish Information

Aquarium power consumption. Energy cost of a fish tank

Next to food and maintenance products, the biggest cost of maintaining an aquarium is the energy consumption required to run [...]

21
Oct
Yellow African Cichlid

Fish Health

Ich (ick) and your aquarium fish

Ich is a highly contagious parasitic infestation caused by the protozoan Ichthyophthirius Multifillis and its saltwater counterpart Cryptocaryon Irritans. The [...]

18
Oct
Polyps

Saltwater & Reef Aquariums

Cynaobacteria aka red slime algae

Cyanobacteria appear in both salt- and freshwater setups and are known as red slime or blue-green algae. Cyano is a [...]

07
Oct
Tropical freshwater aquarium with fish

Aquarium Problem Solving

Overfeeding fish causes cloudy aquarium water

What happens if I overfeed my aquarium fish? Overfeeding is one of the most common mistakes made by fish keepers. [...]

28
Sep
Acanthurus Sohal Surgeonfish

General Aquarium & Fish Information

Activated carbon and chemical aquarium filtration

Carbonization is a complex procedure by which the carbon content of organic material is formed by burning anaerobically. Materials best [...]

28
Sep
neon tetra fish in aquarium

Caring for Aquarium Plants

Aquarium plant health guide

Mineral deficiencies can be detected by observing the plants and their symptoms. Magnesium, nitrogen, phosphate, potassium for example are mobile [...]

24
Sep
Black Tetra fish in planted aquarium

Fish Health

Treating sick aquarium fish with dips and baths

Newly bought fish or sick fish are best observed and/or treated in a separate hospital tank instead of the main [...]

22
Sep
White Seahorses in fish tank

Saltwater & Reef Aquariums

Caring for seahorses in the aquarium

Aqua culturing (commercial breeding) has made it possible for fish keepers to enjoy the seahorse in the aquarium. Most common [...]

17
Sep
Lionfish

Aquarium Maintenance and Fish Care Information

Aquarium water test kits and testing methods

Test kits are available in strips (dip sticks), tablet/powder, and in liquid form. Test kits are generally reliable within a [...]

02
Sep
Fish in a planted aquarium

General Aquarium & Fish Information

Nitrites and the aquarium nitrogen cycle

Nitrites are the second stage in the nitrogen cycle. Nitrifying bacteria are readily available in the tank, and will build [...]

17
Aug
Clownfish

General Aquarium & Fish Information

Biological filtration balances the aquarium

Water…clarity does not mean purity. Understanding the water separates the beginner from the experienced. We cannot see chlorine and chloramine [...]

31
Jul
Yellow Cichlid Fish in Aquarium

General Aquarium & Fish Information

Cycling the aquarium without fish

An aquarium is considered safe for livestock once the nitrogen cycle has completed, and the natural biological filtration has been [...]

22
Jul
Keeping frogs in an aquarium

Aquarium Maintenance and Fish Care Information

Keeping African Dwarf Frogs in the aquarium

The African Dwarf Frog is an aquatic species and cannot survive on land. Two to three inches in length, these [...]

20
Jul
Flowerhorn Cichlid

General Aquarium & Fish Information

Choosing the right aquarium substrate

Aquarium substrate has various functions and should be chosen according to the type of tank, i.e. freshwater, planted, fish-only, reef, [...]

11
Jul
Flake food for aquarium fish

Aquarium Maintenance and Fish Care Information Fish Health

Aquarium fish food and diet requirements

Feeding your fish an improper diet is as common a mistake as overfeeding. Providing the correct diet is essential for [...]

07
Jul
Pleco Catfish Hypostomus Plecostomus aquarium fish

General Aquarium & Fish Information

Effects of ammonia on aquarium fish

Ammonia buildup results from a breakdown of fish metabolism. Since ammonia (NH3) constantly converts to ammonium (NH4+) and vice versa, [...]

15
Jun
niger triggerfish odonus

Saltwater & Reef Aquariums

Kalkwasser in the marine aquarium

The main benefit of Kalkwasser use is that it replenishes calcium in the reef and marine tank. Even the most [...]

15
Jun
African cichlids in freshwater aquarium

Fish Health

Using salt in the freshwater aquarium

Some hobbyists religiously use salt in fresh-water set-ups. The claim is a noticeable health improvement of certain fish. Further benefits [...]

14
Jun
Copperbanded butterflyfish

Aquarium Maintenance and Fish Care Information

Water change and aquarium maintenance

Water Changes – Probably the most dreaded part of successful fish keeping. Often the frustration of improper water parameters leads [...]

09
Jun
Naso Tang

General Aquarium & Fish Information

Chemical aquarium filtration

The complexity and diversity of each aquarium, makes every tank unique. If we look at nature we realize that it [...]

19
May
Yellow fish

Fish Health

Toxic aquarium water & fish poisoning

Signs of Poison Toxicity levels vary depending on the species, the size, and the metabolic rate. The fish’s metabolism is [...]

11
May
Polyp Coral

Saltwater & Reef Aquariums

Soft corals in the reef tank

Soft corals can be found worldwide in tropical environments at depths of 15 – 95 feet (5 – 30 Meters). [...]

10
May
Reef Aquarium

Saltwater & Reef Aquariums

Live rock in the reef aquarium

Most live rock comes from areas close to natural reef habitats. It basically consists of dead and washed away coral, [...]

28
Apr
Gold fish in first aquarium

General Aquarium & Fish Information

Setting up your first aquarium

If you are thinking about setting up an aquarium for the first time, here are our two cents on what [...]

24
Apr
Discus fish in planted tank

Caring for Aquarium Plants

Fertilizing aquarium plants

Next to a suitable substrate, light, CO2 and pH are far more important than any fertilizer. Light is needed for [...]

21
Apr
Fish in blue water

General Aquarium & Fish Information

Choose compatible fish for a new aquarium

The first 3 months of starting a new aquarium are crucial. Early, avoidable mistakes result in many aquariums being abandoned. [...]

19
Apr
Silver Dollar aquarium fish

General Aquarium & Fish Information

Vacation tips for the aquarium owner

Before leaving for vacation the following care tips can help assure the aquarium stays healthy during times away from home. [...]

18
Mar
Clown Fish in anemone

General Aquarium & Fish Information

Aquarium cycling without fish

The Classic Approach When setting up an aquarium, buy some cheap, hardy fish and get the cycle started. These fish [...]

15
Mar
coralline algae in reef aquarium

Saltwater & Reef Aquariums

Coralline algae in the reef aquarium

Coralline algae are divided into two groups: The articulated (erect), tree like with non-calcified branches attached to the substrate; and [...]

11
Feb
invertebrate in aquarium

Saltwater & Reef Aquariums

Reverse osmosis for saltwater & reef aquariums

In order to understand the method of osmosis; imagine a container with a semi-permeable divider. One half contains tap water [...]

19
Jan
African cichlid in fish tank

Fish Health

Worms in the aquarium

Worms in the aquarium. Are they common? Who can get them? What can I do about them? And what do [...]

05
Jan
Planted aquarium

Caring for Aquarium Plants

Growing healthy aquarium plants

Excellent plant growth lies in the substrate. If you don’t have a suitable and balanced substrate your plants will not [...]

27
Nov
Coral Anatomy

Saltwater & Reef Aquariums

What is coral bleaching?

Coral bleaching refers to the acute release or loss of the symbiotic algae zooxanthellae from the coral tissue. (See “zooxanthellae” [...]

26
Nov
Guppy fish

General Aquarium & Fish Information

The small aquarium

What about 1, 2, 5 and 10 Gallon aquariums? Can these be successfully maintained? Of course they can. In this [...]

19
Nov
goldfish in aquarium close-up

General Aquarium & Fish Information

History of the aquarium & fish keeping

Early cultures such as the Egyptians, Greeks, and Romans are known to have kept fish other then for the purpose [...]

23
Oct
Small cichlid

General Aquarium & Fish Information

Freshwater fish habitats

Most aquarium fish today are commercially bred. Not only does this save time and cost, but it also leaves the [...]

14
Oct
bristle nose catfish

Aquarium Problem Solving

Description of common aquarium algae

Need help identifying algae in your aquarium? See the quick descriptions below. And remember, no matter what type of algae [...]

03
Oct
Colorful saltwater fish in reef tank

General Aquarium & Fish Information

Nitrate & the aquarium nitrogen cycle

Nitrates are the result of the bacterial breakdown of: ammonia to nitrite to nitrate. This is the final stage of [...]

31
Jul
Feeding fish

Aquarium Maintenance and Fish Care Information

How much should I feed my aquarium fish?

Overfeeding results in the accumulation of waste simply because your fish may not be able to eat all the food [...]

18
May
Lion fish in aquarium

General Aquarium & Fish Information Saltwater & Reef Aquariums

Converting a freshwater aquarium to saltwater

A common misconception is that you have to graduate from freshwater to saltwater. This is of course not true, as [...]

10
May
Testing aquarium water

General Aquarium & Fish Information

Aquarium water parameters for a balanced fish tank

Below is an overview of vital aquarium water parameters. pH, nitrogen compounds, phosphate, silicate, chlorine, along with water hardness should [...]

05
May
Moving your aquarium

General Aquarium & Fish Information

Reduce fish stress when moving your aquarium

Moving an aquarium can be a real challenge. Whether you want to move it from one room in your house [...]

22
Feb
Multiple goldfish swimming in aquarium

General Aquarium & Fish Information

The right fish for your aquarium

The rule of thumb for aquarium stocking rates is commonly considered one inch of fish for every 2 gallons of [...]

17
Feb
silver dollar Metynnis hypsauchen

General Aquarium & Fish Information

The brackish aquarium

Brackish habitats can be found in nature throughout the world where river deltas meet the ocean. These environments are known [...]

16
Nov
Triggerfish Crossbow-clown, Balistoides Conspicillum)

General Aquarium & Fish Information

Cause & effect of aquarium phosphates

All living organism contain phosphorus. Phosphorus is an important element of life as a component for cell membranes, as an [...]

19
Jan
Neon tetras in clear water freshwater aquarium

Aquarium Maintenance and Fish Care Information

Aquarium maintenance tips and fish care guidelines

Good aquarium maintenance practices will lead to a healthy [...]

148 Comments

yellow tropical fish
Aquarium filtration & filter options

Aquarium filtration is the single most important requirement for a [...]

04
Dec
Crowded fish bowl
Fish population – stocking guidelines for the aquarium

The reason for having an aquarium is to keep fish. [...]

27
Sep
Soft corals in reef tank
Nitrifying bacteria – Breaking down aquarium waste

Nitrifying bacteria aka the good or beneficial bacteria, are present after [...]

12
Aug
Lion fish in blue aquarium water

Saltwater & Reef Aquariums

Salinity & specific gravity

The preferred water for marine and reef tanks is RO/DI water, as it is in [...]

9 Comments

11
Aug
The aquarium nitrogen cycle
The aquarium nitrogen cycle aka biological filtration

One characteristic, next to passion for the hobby, every aquarist should have or obtain, is [...]

10 Comments

27
Jul
Clownfish in reef tank
Protein skimmer for reef tanks

A protein skimmer can be an indispensable piece of equipment for marine and reef aquariums. [...]

2 Comments

15
Apr
Angelfish enjoy an aquarium with live plants
Challenges of keeping live plants in the aquarium

Keeping a planted tank can be as easy as keeping a fish only aquarium. Photosynthesis [...]

3 Comments

08
Sep
Angelfish in fish tank
Essentials of keeping live aquarium plants

Focusing on a few basic requirements and a [...]

01
Aug
Large polyp coral
Maintain a Reef Tank with Algone

Running a delicate reef aquarium? ALGONE creates the [...]

4 Comments

12
Jul
Reef Aquarium
How to maintain a reef tank

Create and maintain a reef tank. Here’s our quick [...]

11
Jul
Reef Aquarium
Preventing Aquarium Nitrate

Nitrates are the end result of the  – [...]

4 Comments

09
Jan
Green algae in aquarium
Getting rid of aquarium algae

Getting rid of algae in aquariums is a [...]

2 Comments

28
Dec
School of tropical aquarium fish
Aquarium algae control & prevention

Once algae becomes a problem, treating the cause [...]

3 Comments

25
Nov
Setting up new aquarium
New tank syndrome

One should think, starting out with a new [...]

1 Comment

08
Nov
Aquarium goldfish
Cloudy aquarium water and Algone

Cloudy water can hit any aquarium at any [...]

2 Comments

28
Aug
Guppies in the aquarium
What causes milky white cloudy aquarium water?

Milky white cloudy aquarium water is often just temporary. [...]

67 Comments

11
Jun
Aquarium water changes can have your fish jumping for relief
Is the water change harmful?

The water change is the most basic and [...]

1 Comment

21
May
Green water and algae in the aquarium are the result of high nitrates
The secret to crystal clear aquarium water

Most, if not all bad things that can [...]

6 Comments

15
May
African Cichlids in aquarium
How to recognize if your aquarium is out of balance

Did you ever look at your aquarium and [...]

6 Comments

09
May
Colorful African Cichlid
Sick aquarium fish

Bacteria and viruses are usually always present in [...]

06
May
Few discus fish in aquarium
How to catch a fish in an aquarium

Anyone who has ever attempted to catch a [...]

2 Comments

22
Apr
Nano Reef Tank
Is a nano tank right for me?

Nano is greek for dwarf and refers to [...]

21
Apr
The ideal pH level for planted aquariums is anywhere between 6 - 8.5
How to adjust the pH in your aquarium

What are the effects of pH in the [...]

57 Comments

11
Apr
Clownfish in aquarium
Aquarium lighting options for a healthy fish tank

Also see our post about ” here! The [...]

31 Comments

04
Apr
Beautiful aquarium fish
Are nitrates harmful for my aquarium?

Aquarium nitrate is inevitable as it results from [...]

6 Comments

25
Dec
Red head salmler hemmigrammus rhodostonus
Algaecides and how they control algae growth in the aquarium

See our post about ” for real, effective and [...]

4 Comments

17
Nov
Lion fish in blue aquarium water
How to clear cloudy aquarium water

What is cloudy water? In short, it’s a [...]

77 Comments

25
Oct
The ideal pH level for planted aquariums is anywhere between 6 - 8.5
The Dutch style aquarium

The origins of the Dutch Style aquarium date [...]

15
Oct
Clownfish
What is green aquarium water? And what causes it?

Green aquarium water is a free-floating algae bloom. [...]

05
Oct
Yellow tang in reef tank
Control nitrate for real aquarium algae control

Once the aquarium is experiencing a full-blown algae [...]

04
Oct
School of tropical aquarium fish
Clear and Balanced Freshwater Aquariums with Algone

ALGONE is the perfect filter supplement for the [...]

4 Comments

12
Sep
LED aquarium lights
LED aquarium lighting

Fluorescent lights have been the fish keeper’s top [...]

9 Comments

03
Sep
Golden pufferfish in fish-only saltwater aquarium
Choosing the right aquarium fish food

The nutritional requirements of fish vary greatly depending [...]

06
Aug
Trigger fish swimming sideways in saltwater aquarium
Common aquarium & fish keeping mistakes

Tank selection, type of filtration, filtration output, substrate, [...]

1 Comment

14
Jul
Powder Blue Tang in reef tank
Large aquarium vs the small fish tank

Also see ” for more information on aquarium [...]

2 Comments

04
Jun
Lion fish in blue aquarium water
Algone in Saltwater Aquariums

Use ALGONE in saltwater aquariums! Keep the aquarium [...]

14
May
A colorful close up shot of a Discus Fish
Green aquarium water, a free-floating algae bloom

Green aquarium water is often referred to as [...]

10
May
Striped african cichlid
What causes cloudy aquarium water?

If you just started your aquarium, or recently [...]

6 Comments

08
May
The ideal pH level for planted aquariums is anywhere between 6 - 8.5
Algone in Planted Tanks

What Algone does: Clears cloudy aquarium water, removes [...]

20
Apr
Clown trigger fish
Where does aquarium nitrate come from?

There are various sources of aquarium nitrate, some [...]

12
Mar
Large polyp coral
Bacteria and antibiotics in the aquarium

Friendly bacteria include the scavenging, decomposing bacteria digesting [...]

11 Comments

23
Feb
Tropical freshwater aquarium with fishes
How to control aquarium algae & clear green water

Aquarium algae, like any plant, require the following [...]

04
Feb
Plecostomus on glass of fish tank
How to remove nitrate from the aquarium

Nitrates are generally very low in natural waters, [...]

12 Comments

21
Jan
Pufferfish
Fish stress and illness in the aquarium

Everything outside the required environmental- or behavioral needs [...]

11
Jan
Aquarium fish
Old tank syndrome – the aging aquarium

So, your tank is doing well. No fish [...]

2 Comments

17
Dec
Aquarium goldfish
The importance of oxygen in the aquarium

How important is oxygen in the aquarium? This [...]

13 Comments

16
Dec
Using a quarantine tank to protect and treat fish for disease

The quarantine tank is also known as the [...]

15
Dec
Blue Ring Angelfish
Zooxanthellae and corals

Zooxanthellae are the symbiotic algae that live within [...]

3 Comments

14
Dec
Powder Blue Tang
How to clear green aquarium water

Step one: Keep your cool! Once fish disappear [...]

12 Comments

10
Dec
Blue Tang
Aquarium UV Sterilization

Ultraviolet sterilization (UV) is a process to eliminate [...]

30
Nov
Blue Tang in reef tank
Common aquarium fish diseases

The following should only be used as a [...]

4 Comments

18
Nov
Fish in reef tank
Aquarium fish health

Fish health starts with the selection of the [...]

17
Nov
tiger barbs in aquarium
Aquariums and power outages

Think of an aquarium as an intensive care [...]

4 Comments

07
Nov
Clownfish in aquarium
Using Algone for preventative aquarium maintenance

Good old Ben Franklin is quoted as saying [...]

28
Oct
Picasso triggerfish
Aquarium power consumption. Energy cost of a fish tank

Next to food and maintenance products, the biggest [...]

6 Comments

21
Oct
Yellow African Cichlid
Ich (ick) and your aquarium fish

Ich is a highly contagious parasitic infestation caused [...]

24 Comments

18
Oct
Polyps
Cynaobacteria aka red slime algae

Cyanobacteria appear in both salt- and freshwater setups [...]

07
Oct
Tropical freshwater aquarium with fish
Overfeeding fish causes cloudy aquarium water

What happens if I overfeed my aquarium fish? [...]

10 Comments

28
Sep
Acanthurus Sohal Surgeonfish
Activated carbon and chemical aquarium filtration

Carbonization is a complex procedure by which the [...]

4 Comments

28
Sep
neon tetra fish in aquarium
Aquarium plant health guide

Mineral deficiencies can be detected by observing the [...]

6 Comments

24
Sep
Black Tetra fish in planted aquarium
Treating sick aquarium fish with dips and baths

Newly bought fish or sick fish are best [...]

21 Comments

22
Sep
White Seahorses in fish tank
Caring for seahorses in the aquarium

Aqua culturing (commercial breeding) has made it possible [...]

17
Sep
Lionfish
Aquarium water test kits and testing methods

Test kits are available in strips (dip sticks), [...]

02
Sep
Fish in a planted aquarium
Nitrites and the aquarium nitrogen cycle

Nitrites are the second stage in the nitrogen [...]

17
Aug
Clownfish
Biological filtration balances the aquarium

Water…clarity does not mean purity. Understanding the water [...]

2 Comments

31
Jul
Yellow Cichlid Fish in Aquarium
Cycling the aquarium without fish

An aquarium is considered safe for livestock once [...]

22
Jul
Keeping frogs in an aquarium
Keeping African Dwarf Frogs in the aquarium

The African Dwarf Frog is an aquatic species [...]

4 Comments

20
Jul
Flowerhorn Cichlid
Choosing the right aquarium substrate

Aquarium substrate has various functions and should be [...]

14 Comments

11
Jul
Flake food for aquarium fish
Aquarium fish food and diet requirements

Feeding your fish an improper diet is as [...]

1 Comment

07
Jul
Pleco Catfish Hypostomus Plecostomus aquarium fish
Effects of ammonia on aquarium fish

Ammonia buildup results from a breakdown of fish [...]

3 Comments

15
Jun
niger triggerfish odonus
Kalkwasser in the marine aquarium

The main benefit of Kalkwasser use is that [...]

15
Jun
African cichlids in freshwater aquarium
Using salt in the freshwater aquarium

Some hobbyists religiously use salt in fresh-water set-ups. [...]

61 Comments

14
Jun
Copperbanded butterflyfish
Water change and aquarium maintenance

Water Changes – Probably the most dreaded part [...]

3 Comments

09
Jun
Naso Tang
Chemical aquarium filtration

The complexity and diversity of each aquarium, makes [...]

19
May
Yellow fish
Toxic aquarium water & fish poisoning

Signs of Poison Toxicity levels vary depending on [...]

59 Comments

11
May
Polyp Coral
Soft corals in the reef tank

Soft corals can be found worldwide in tropical [...]

10
May
Reef Aquarium
Live rock in the reef aquarium

Most live rock comes from areas close to [...]

28
Apr
Gold fish in first aquarium
Setting up your first aquarium

If you are thinking about setting up an [...]

24
Apr
Discus fish in planted tank
Fertilizing aquarium plants

Next to a suitable substrate, light, CO2 and [...]

6 Comments

21
Apr
Fish in blue water
Choose compatible fish for a new aquarium

The first 3 months of starting a new [...]

19
Apr
Silver Dollar aquarium fish
Vacation tips for the aquarium owner

Before leaving for vacation the following care tips [...]

18
Mar
Clown Fish in anemone
Aquarium cycling without fish

The Classic Approach When setting up an aquarium, [...]

17 Comments

15
Mar
coralline algae in reef aquarium
Coralline algae in the reef aquarium

Coralline algae are divided into two groups: The [...]

11
Feb
invertebrate in aquarium
Reverse osmosis for saltwater & reef aquariums

In order to understand the method of osmosis; [...]

19
Jan
African cichlid in fish tank
Worms in the aquarium

Worms in the aquarium. Are they common? Who [...]

132 Comments

05
Jan
Planted aquarium
Growing healthy aquarium plants

Excellent plant growth lies in the substrate. If [...]

1 Comment

27
Nov
Coral Anatomy
What is coral bleaching?

Coral bleaching refers to the acute release or [...]

2 Comments

26
Nov
Guppy fish
The small aquarium

What about 1, 2, 5 and 10 Gallon [...]

5 Comments

19
Nov
goldfish in aquarium close-up
History of the aquarium & fish keeping

Early cultures such as the Egyptians, Greeks, and [...]

1 Comment

23
Oct
Small cichlid
Freshwater fish habitats

Most aquarium fish today are commercially bred. Not [...]

14
Oct
bristle nose catfish
Description of common aquarium algae

Need help identifying algae in your aquarium? See [...]

2 Comments

03
Oct
Colorful saltwater fish in reef tank
Nitrate & the aquarium nitrogen cycle

Nitrates are the result of the bacterial breakdown [...]

31
Jul
Feeding fish
How much should I feed my aquarium fish?

Overfeeding results in the accumulation of waste simply [...]

5 Comments

18
May
Lion fish in aquarium
Converting a freshwater aquarium to saltwater

A common misconception is that you have to [...]

43 Comments

10
May
Testing aquarium water
Aquarium water parameters for a balanced fish tank

Below is an overview of vital aquarium water [...]

3 Comments

05
May
Moving your aquarium
Reduce fish stress when moving your aquarium

Moving an aquarium can be a real challenge. [...]

22
Feb
Multiple goldfish swimming in aquarium
The right fish for your aquarium

The rule of thumb for aquarium stocking rates [...]

17
Feb
silver dollar Metynnis hypsauchen
The brackish aquarium

Brackish habitats can be found in nature throughout [...]

16
Nov
Triggerfish Crossbow-clown, Balistoides Conspicillum)
Cause & effect of aquarium phosphates

All living organism contain phosphorus. Phosphorus is an [...]

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19
Jan
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