Quote:
Originally Posted by Treebeard
This tank is 90 gallons and has been up and running for almost 4 years, actually 5 when you consider the system was moved over from a smaller 40 gallon tank. I suspect that the live rock may be part of the problem but shouldn't the levels eventually drop after doing large water changes?
I really don't think I am over-feeding either.
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Not if that problem liverock is leaching dissolved nutrients back into your tank.