Renfro Well-Known Member Sep 28, 2020 #22 myke said: The 1 gram a gallon is pretty strong,check with the ppm meter,need only about 50 ppm.I use 4 grams for 12 gallons.Roots above will go a tan color its normal. Click to expand... 1 gram per gallon Magnesium = 26 mg/l Sulfur = 34 mg/l
myke said: The 1 gram a gallon is pretty strong,check with the ppm meter,need only about 50 ppm.I use 4 grams for 12 gallons.Roots above will go a tan color its normal. Click to expand... 1 gram per gallon Magnesium = 26 mg/l Sulfur = 34 mg/l
