THE DEFINITIVE GUIDE TO NPK 20-20-20

Warning: Continue to keep from access of youngsters and pets. Will not ingest or inhale. Avoid connection with eyes or pores and skin. Clean hands soon after use.Cal-Mag means Calcium and Magnesium, two of the macronutrients that happen to be almost never talked over when we mention plant fertilizer, but They are really vital for plants.This is a g