Tap water with ammonia - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 11 Old 10-18-2011, 12:17 PM
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Welcome to Tropical Fish Keeping forum.

One thing I didn't see mentioned in this thread concerns your test for ammonia. Prime detoxifies ammonia by changing it to ammonium which is basically harmless. However, the API ammonia test will read ammonia and ammonium as "ammonia," so after a water change you might still see "ammonia" with a test but it is actually ammonium.

Live plants need ammonium as their source of nitrogen, so that is why adding the plants as others recommended has worked. Prime will detoxify the initial influx of ammonia at a water change, and by the time Prime wears off (24-36 hours) the plants will be assimilating it.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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