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potassium phosphate

  1. Fertilizers and Water Parameters
    I recently started dosing dry Mono Potassium Phosphate and Potassium Nitrate from aquarium fertilizer online shop I am dosing per Tom Barr recommendations for a low tech (non CO2 tank). My ph has been dropping in my tank from 6.6/7 to 6.4 after I add the Potassium Phosphate. I have even lost a...