Toxic Aquarium Water & Fish Poisoning

Yellow fish

There are a number of common nutrients and conditions in the aquarium that can turn the water toxic and poison the fish. Learn more about fish poisoning here.

Worms in the Aquarium

African cichlid in fish tank

Worms in the aquarium. Are they common? Who can get them? What can I do about them? And what do they mean for the health of my fish?

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