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- Jul 4, 2019
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What’s the best way of removing phosphates? I was considering gfo. My levels are at 0.25ppm and I have some patches of GHA. My nitrates are below 1ppm.
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Best po4 remover I have ever see is rowaphos.
But here is my warning, with rowaphos or any other po4 remover, careful do not strip your system compelty from po4. You will instantly deal with cyano.
My advice is to start slow and bring po4 to the level you want that should not be zero.
At 0.25ppm it's hard for me to believe that its causing gha..
Are you sure these are your levels? What kit?s you use

