Ideas on quick phosphate control

[MitchM]

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.

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