I'm having problems with my po4 it's at .11ppm on the hanna ulr checker I'm running chemipure elite and phosguard and it hasnt went down any at all. I notice some of my acros and digi are starting to stn
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Ya I'll post my parameters when I get home from work today. I just bought the frag from RAP chicago and been in the tank and starting to stn. For my flow i have a icecap 1k gyre and lights I'm using AI prime with the AB+ spectrumPerhaps the media has been exhausted and needs replacing?
Fwiw 0.11 alone shouldn’t cause stn.
Can you post your other parameters, light, flow and any changes to your tank?
Ok thanks I'll try to switch to phosbond instead with the chemipureI had high phosphate issue too. Although it hasn’t lowered < .05, but I can see drop in the number. I’m performing weekly 10-15% water change, replaced phosgaurd with phosban. At least for me, phosgaurd did not perform with their recommended dose. I’m still using Chemipure elite. In addition to this, I’m doing 5ml daily vinegar dosing.
FYI, I’ve a 40g reef tank. It’s only 6-7months old.

