Why are chloramines toxic to fish?
Chloramines are safe for humans but toxic to fish. When chloramines, a combination of chlorine and ammonia, break down either naturally or through the use chlorine removing chemicals, ammonia is released. The ammonia can be removed from fish tanks or ponds by using commercial products available at pet supply stores. Biological filters, natural zeolites and pH control methods are also effective in reducing the toxic effects of ammonia.

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1. Why are chloramines toxic to fish?
2. Are chloramines toxic to both saltwater and freshwater fish?
3. Do chloramines pose a hazard to koi?
4. Will letting water sit for a few days cause chloramines to disappear?
5. Do chloramines have to be removed if only a small amount of water is added to an aquarium or pond to make up for evaporation loss?
6. Will a carbon filter remove chloramines?
7. Will reverse osmosis remove chloramines?
8. Will boiling remove chloramines from water?
9. Who can I contact if I have additional questions about chloramines?