Ferrous Sulfate Heptahydrate includes 20% Iron (Fe) 12% Sulfur (S) and it is 99%+ water soluble powder. Ferrous sulfate acts as a soil conditioner, lowering the pH of alkaline soils, making it easier for plants to absorb nutrients from the soil, helping to give your garden that beautiful green color.

Ferrous Sulfate Heptahydrate includes 20% Iron (Fe) 12% Sulfur (S) and it is 99%+ water soluble powder. Ferrous sulfate acts as a soil conditioner, lowering the pH of alkaline soils, making it easier for plants to absorb nutrients from the soil, helping to give your garden that beautiful green color.