How to Maintain a Reef Tank

Reef Aquarium

Interested in setting up a reef aquarium? Already have a reef set up? Review our quick guide on how to successfully maintain a reef tank.

Is the Water Change Harmful?

Aquarium water changes can have your fish jumping for relief

Without a doubt, the water change is the most important part of aquarium maintenance. But can the aquarium water change have negative effects on the fish tank?

Sick Aquarium Fish

Colorful African Cichlid

Signs that the fish might be sick include clamped fins, irregular behavior, darting, smashing into things, loosing weight, fading color, and floating.

Bacteria and Antibiotics in the Aquarium

Large polyp coral

Any time a bacterial disease occurs adjustments in the aquatic environment need to be made in order to lessen and to eliminate stress causing factors to the fish. Bacterial diseases should be treated with antibiotics, preferably in a quarantine tank.

Aquarium Fish Stress


Poor water quality causes stress on aquarium fish, making them more susceptible to illness. Disease resistance increases with reduced fish stress.

The Importance of Oxygen in the Aquarium

Aquarium goldfish

Most fish keepers don’t think too much about the oxygen on the aquarium. Low oxygen levels are uncommon in healthy fish tanks. Review more aquarium oxygen facts here.

Aquarium UV Sterilization

Blue Tang

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