04-14-2011, 12:48 AM
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Originally Posted by jcgallaher
Started a fish less cycle a few weeks ago using only ammonia and kept it between 3-5 ppm. Nitrites raised up to 5 ppm and Nitrates raised up to about 20-40ppm. A few days ago we couldn't keep the ammonia levels up no more and the nitrites were dropping back down too which obviously indicated the cycle was nearing the end. (I'm testing using API's Master Kit)
Ok, so here's the strange thing The Nitrites read at 0, Nitrates read at about 5 - 10 ppm, (20ppm before we did a small water change today/yesterday), but the ammonia reads almost .25ppm...just a small, small hint of yellow/green ammonia. I tested it against the tap water just to make sure and if you compare it very closely you can see a just a small hint of green.
I'm wondering if I should do a bigger water change or is it ok? I mentioned this to the LPS guy and he said when you add fish the ammonia from them wont get processed instantly anyway and you'll see a small spike.
Might test the tapwater for ammonia and would use Prime for dechlorinator if not already.
Might also perform 50 percent water change and test again after an hour or two.