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  • The Fishkeeper’s Choice since 1995
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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
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          • 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
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        • 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
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          • 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
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          • 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
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          • 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!

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Saltwater and Reef Aquariums

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

Clownfish in reef tank
Protein skimmer for reef tanks

A protein skimmer can be an indispensable piece of equipment [...]

15
Apr
Large polyp coral
Maintain a Reef Tank with Algone

Running a delicate reef aquarium? ALGONE creates the perfect low-nutrient [...]

12
Jul
Reef Aquarium
How to maintain a reef tank

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

11
Jul
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, [...]

9 Comments

03
Sep
Lion fish in blue aquarium water
Algone in Saltwater Aquariums

Use ALGONE in saltwater aquariums! Keep the aquarium balanced, the fish healthy, and the water [...]

14
May
Blue Ring Angelfish
Zooxanthellae and corals

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

3 Comments

14
Dec
Blue Tang
Aquarium UV Sterilization

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

30
Nov
Polyps
Cynaobacteria aka red slime algae

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

07
Oct
White Seahorses in fish tank
Caring for seahorses in the aquarium

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

17
Sep
niger triggerfish odonus
Kalkwasser in the marine aquarium

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

15
Jun
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
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
Coral Anatomy
What is coral bleaching?

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

2 Comments

26
Nov
Lion fish in aquarium
Converting a freshwater aquarium to saltwater

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

43 Comments

10
May
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

Clownfish in reef tank
Protein skimmer for reef tanks

A protein skimmer can be an indispensable piece of equipment [...]

15
Apr
Large polyp coral
Maintain a Reef Tank with Algone

Running a delicate reef aquarium? ALGONE creates the perfect low-nutrient [...]

12
Jul
Reef Aquarium
How to maintain a reef tank

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

11
Jul
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, [...]

9 Comments

03
Sep
Lion fish in blue aquarium water
Algone in Saltwater Aquariums

Use ALGONE in saltwater aquariums! Keep the aquarium balanced, the fish healthy, and the water [...]

14
May
Blue Ring Angelfish
Zooxanthellae and corals

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

3 Comments

14
Dec
Blue Tang
Aquarium UV Sterilization

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

30
Nov
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
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
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
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
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
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
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
Lion fish in blue aquarium water

Saltwater & Reef Aquariums

Salinity & specific gravity

The preferred water for marine and reef tanks is [...]

9 Comments

Clownfish in reef tank
Protein skimmer for reef tanks

A protein skimmer can be an indispensable piece of equipment [...]

15
Apr
Large polyp coral
Maintain a Reef Tank with Algone

Running a delicate reef aquarium? ALGONE creates the perfect low-nutrient [...]

12
Jul
Reef Aquarium
How to maintain a reef tank

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

11
Jul
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, [...]

9 Comments

03
Sep
Lion fish in blue aquarium water
Algone in Saltwater Aquariums

Use ALGONE in saltwater aquariums! Keep the aquarium balanced, the fish healthy, and the water [...]

14
May
Blue Ring Angelfish
Zooxanthellae and corals

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

3 Comments

14
Dec
Blue Tang
Aquarium UV Sterilization

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

30
Nov
Polyps
Cynaobacteria aka red slime algae

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

07
Oct
White Seahorses in fish tank
Caring for seahorses in the aquarium

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

17
Sep
niger triggerfish odonus
Kalkwasser in the marine aquarium

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

15
Jun
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
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
Coral Anatomy
What is coral bleaching?

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

2 Comments

26
Nov
Lion fish in aquarium
Converting a freshwater aquarium to saltwater

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

43 Comments

10
May

Aquarium Article Categories

African cichlids in freshwater aquarium

Aquarium Fish Health

Plecostomus on glass of fish tank

Aquarium Maintenance Information

Algone aquarium water clarifier and nitrate remover

Aquarium Maintenance with Algone

School of tropical aquarium fish

General Aquarium Information

neon tetra fish in aquarium

Live Aquarium Plants

Polyp Coral

Saltwater and Reef Aquariums

Clownfish

Solving Common Aquarium Problems

Recent Aquarium Articles
  • Reverse osmosis for saltwater & reef aquariums

    Reverse osmosis for saltwater & reef aquariums

  • Choosing the right aquarium fish food

    Choosing the right aquarium fish food

  • Are nitrates harmful for my aquarium?

    Are nitrates harmful for my aquarium?

  • Control nitrate for real aquarium algae control

    Control nitrate for real aquarium algae control

  • Is a nano tank right for me?

    Is a nano tank right for me?

  • Freshwater fish habitats

    Freshwater fish habitats

Clear cloudy aquarium water and remove nitrates with Algone

 

Clarity.

Balance.

Protection.

 


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    • Aquarium Resources
      • Aquarium Maintenance
        • Aquarium Maintenance Tips
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        • Cloudy Aquarium Water
        • Feeding Aquarium Fish
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      • General Aquarium
        • The Aquarium Nitrogen
        • Large Aquarium vs Small Aquarium
        • Aquarium Lighting Options
        • Adjusting pH in Your Aquarium
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      • Saltwater & Reef Tanks
        • Salinity & Specific Gravity
        • Aquarium Protein Skimmer
        • Coralline Algae in the Reef
        • Aquarium UV Sterilization
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      • Problem Solving
        • Clear Cloudy Aquarium Water
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      • Aquarium Care & Algone
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        • Maintain a Reef Tank with Algone
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      • Fish Health
        • Fish Stress and Illness
        • Moving Your Aquarium
        • Common Fish Diseases
        • Bacteria and Antibiotics
        • The Quarantine Tank
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