Quote:
Originally Posted by Aquattro
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Problem is the rock is all old dead rock that will keep leaching, so that would be multiple 100% changes over a few months.
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It sounds like the live rock has turned into a phosphate sponge of sorts.
What about swapping out the existing live rock with resin/plastic rock , then dosing Foz Down as ongoing maintenance?
The resin/plastic route seems to be working for this aquarist:
http://www.reefcentral.com/forums/sh....php?t=2391310