11-14-2009, 05:14 PM
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Originally Posted by SophieThomas
I started using Prime for both of the tanks about two or so weeks ago under your suggestion then. I realize I haven't responded to your comments on it here
When using Prime could I still get a false ammonia reading?
Oh, and Mollies, I bugged the poor guy a bit and flicked on his light to see if his colour changes and it does do a bit of a swell and then immediately goes back to how it was before
Prime and similar conditioners detoxify ammonia by changing it to ammonium which is basically harmless to fish. Test kits read ammonia and ammonium as ammonia, so the water test will show .25 of ammonia but it will actually be ammonium which is harmless. Plants will grab the ammonium fairly quick, if they are plentiful. While you will see the .25 after the pwc, a couple days later I would expect not. As long as you're using a ammonia detoxifying water conditioner, you're fine. And this will not be the cause of the problem with the pleco, if it is a problem; I don't know this species well enough to go beyond the obvious stress agents that we've already covered.