1. M

    K2so4 Too High For Pps-pro

    Hi, Old hand at aquarium (1st plant tank in 1990's), new to dry fertilizers. The calculator is set for the following "20 us gal", "a solution", 500 ml container size, 15 ml daily dose, "Perpetual Preservation System". In the spreadsheet screen capture below, the top ("barr") has values...
  2. E

    Csm B Composition, What Don't I Understand?

    Hi all, I'm new to the forum but not the planted tank hobby. I've always bought my planted tank fertilizers for my hi-tech tanks but recently I've taken a liking to organic chemistry though and at this point I want to mix my own sauce AND understand what I'm doing with these organic chemicals...