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  1. Fertilizers and Water Parameters
    I am in a high school ap chemistry class learning about acid-base reactions. I am wondering whether or not I can use H3PO4 (phosphuric acid) to lower such parameters as kh, gh, pH or even TDS because when H3PO4 disassociates into H+ and PO4-; Ca+ and Mg- should react with the aqueous phosphate...
  2. Fertilizers and Water Parameters
    I want to keep some discus in my 75 gallon planted tank. I’m trying to figure out how to lower my KH and GH. My GH is at 12 and KH at 9. I know I will need to remove most of my plants and up my filter to a wet/dry sump. I would go at an RO unit but I have well water and it would clog right...
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