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  1. dw1305

    Freeware java program for EI etc.

    Hi all, I've found a freeware program that may be of interest to those with a more chemical bent. I haven't used it yet but it should be able to allow the user to visualise what is actually happening in complex solutions of nutrients...
  2. dw1305

    Fert Details Good or Bad?

    Hi all, I'd probably swap the potassium sulphate for potassium nitrate (KNO3) as the mix is low in nitrogen. You also need a phosphorus (P) source, as you don't have one at present. If you look at the sticky for EI and "James' planted tank - all in one solution"...