container size

  1. J

    Excel volume & calculations

    Should I add the volume of Excel ill be using (5ml), to the amount of distilled water ill be using (250ml) in container size for a more accurate analysis of my solution? Or is the addition of Excel not relevant?
  2. J

    Container Size

    Newbie here, but Ive been mixing my own fertz for awhile now. Unfortunately non of these batches have turned out well. I think my confusion is over the Container size field. Can anyone explain to me like im a 2year old as to why Rotala Butterfly bases calculations on container size rather than...