Tag Archives: water changes

Angelfish Eye Disease: Popeye

Popeye disease, also known as exophthalmia, is when a fish’s eye bulges from its face and becomes cloudy. It is a symptom of a fish disease rather than a condition and is caused by poor water quality, injury, and/or bacterial … Continue reading

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Nitrogen Cycle for an Aquarium

A basic principle to understand for angelfish and any fish keeping is the nitrogen cycle for an aquarium. The nitrogen cycle involves fish waste and how it relates to water quality, food, nitrates, nitrites, and ammonia. Controlling this fish tank … Continue reading

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Diseases in Fish: Prevention is the Best Medicine

Prevention is the best way to fight any diseases in fish. Good water quality, keeping water conditions appropriate for your angelfish species, and providing quality food will prevent most diseases. Water Quality One of the first places to start is … Continue reading

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Blackwater Tanks for Angelfish

Angelfish are native to South American blackwater and clearwater streams making a blackwater tank suitable for angelfish. Blackwater enhances the colors of fish native to blackwater streams, and some angelfish breeders find it helps induce breeding. Other fish living in … Continue reading

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Water Changes in an Angelfish Aquarium

The importance of regular water changes in an angelfish tank, or any aquarium, cannot be understated. It is the most important maintenance performed to keep a healthy tank. Water Changes Fish cannot tolerate and adapt to living in bad water. … Continue reading

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