IRON SULFATE HEPTAHYDRATE - Iron ferrous sulfate is used as a soil amendment for lowering the pH of a high alkaline soil so plants can more readily access the soil's nutrients. It is a heptahydrate in the form of iron (2+) sulfate IT INCLUDES - 10 Pounds of Greenway Biotech Ferrous Sulfate Heptahydrate includes 20% Iron (Fe) 12% Sulfur (S) and it is 100% water soluble powder. Our ferrous sulfate fertilizer can also be dried and oxidized to create other useful forms of iron CHLOROPHYLL PRODUCTION- In horticulture sulfate ferrous is used for treating iron chlorosis, a yellowing of plant leaves caused by iron deficiency. Due to its use in chlorophyll formation and photosynthesis, Iron (Fe) is often applied to enhance greening without increasing plant growth WATER SOLUBLE- The iron ferrous sulfate is a high quality soluble source of iron and sulfur suitable for foliar. The Iron (Fe) often applied to enhance greening without increasing plant growth. GOOD SOURCE OF IRON- The Ferrous Organic lawn fertilizer is used as a richest source of iron in the treatment of iron-deficiency anemia. It can be used directly in water treatment plants to improve the coagulation and removal of elements such as phosphorus - Rapid Response + Sustained Feeding — Visible results within Week 1; full nutrient release over 4-8 weeks