Quote:
Originally Posted by Steve...
I put a big piece of live rock in it. Unfortunately the filter was not established. Would this be a major problem?
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Ya, could be. I think the biggest cause of fish loss in QT is lack of filtration resulting in ammonia spikes. Unless the rock is well established and about 1/2 pound per gallon, it's not going to be enough. Which means lots of water changes. Get a decent NH4 kit and test daily, if/when you see any NH4, do a large water change. I've resorted to keeping a large foam block in my sump in case I need to set up a treatment tank.