F.S.T. contains iron, sulfur, manganese and zinc, which are essential elements for plant growth. Contains 33% iron to help plants overcome yellow leaves. F.S.T. is recommended as a supplemental feeding to the normal fertilizer program to improve growth, fruiting, flowering and helps plants overcome yellow leaves. Especially helpful to citrus, gardenias and azaleas. Helps lower soil pH. nContains: 19% Sulfur, 33% Iron, 0.50% Manganese and 0.50% Zinc.

• Contains 33% Iron to help plants overcome yellow leaves
• Helps lower soil pH
• Use 1-2 feedings per year