C Cactus92 New Member Mar 17, 2020 #1 Should i use calmag for RO water when i use a very nutrient rich soil?
Renfro Well-Known Member Mar 17, 2020 #2 Cactus92 said: Should i use calmag for RO water when i use a very nutrient rich soil? Click to expand... Generally yes, as water is commonly the source for calcium and some magnesium as well. You could try without it but if you see any signs of calcium or magnesium deficiencies you will want the calmag.
Cactus92 said: Should i use calmag for RO water when i use a very nutrient rich soil? Click to expand... Generally yes, as water is commonly the source for calcium and some magnesium as well. You could try without it but if you see any signs of calcium or magnesium deficiencies you will want the calmag.