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Adding PO4?
Hi
I have encountered a problem... NO3 is ~50ppm (salifert) and PO4 is 0 (Hanna ULR). I have been using aquaforest pro bio S and nopox to try to get nitrates down... Seems I have exhausted all the PO4 in the tank... Any advice on how to proceed? Add a source of PO4? Don't want to over feed as my nitrates are already up Thanks VR |