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  1. Fertilizing
    Hi All, I'd appreciate if someone could check my math. I want to determine the PPM of NO3 per drop of PMDD that goes in say a 10 gallon tank. weight of one tablespoon of KNO3 = 15.8 gm Percent NO3 in KNO3 = 61% weight of NO3 in one tablespoon of KNO3 = 9.6 gm drops in 500 ml of solution = 20 x...
  2. Fertilizing
    Hi all, i have started dosing a pmdd regime but am intending on trying out pps pro when i get some kh2p04. i am a bit confused on the dosing differences between pps pro and pmdd. as far as i can tell the "mix" is very similar. however the dosing is very different - pps pro - 1 ml of each...