Hi, I received a Milwaukee ec pen C66 as a gift. It only reads ec. Which scale do I use to convert to ppm? Hanna, Eutech or Truncheon. 500 or 700ppm? I can't find easy to understand info on this. Can anyone help me please? Thanks in advance
Hi, I've been using jack's 3 2 1 and a bloom booster, but I read monopotasium fertilizers 0 52 34 in combo with a jack's blend might work better. Im growing in Happy Frog soil
My questions are has anyone done this with success and what would the mixing order be?
Jack's 321 is
Part A dissolve...