Quote:
Originally Posted by toytech
It could have been the sudden drop in phosphate that knocked the corals out , ive been using fozdown too in my frag tank (without a skimmer) and i used too much and paid the price . My few sps frags bleached or rtn`ed all together overnight .When i use a small amount at a time though all my corals are fine.
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Hmm, never thought about that, however I was monitoring it via a Deltec kit and thought I was doing a pretty good job of bringing it down slowly (although those last couple days I thought I had it in hand enough to deal with it without the test kit, guess I was wrong).