ORGANIC SLOWBIO FE47K - Organic Liquid Amino Acid Chelated Iron

SLOW BIO CAL50K is an Organic amino acid chelated iron, free of Nitrogen.

DIRECTIONS:  1 ml/gal = 12.4 PPMS of Iron (Fe)

In veg, Fe should be at 2 to 3 PPMS in feeds, in flower, upwards of 3 to 4 PPMS of Fe.