Southern Ag Water Soluble Fertilizer is a completely water soluble prilled blend of potassium nitrate, calcium nitrate, and micronutrients. Derived from Calcium Nitrate, Potassium Nitrate, Ammonium Nitrate, Ferric Sodium EDTA, Zinc Disodium EDTA, Manganous Disodium EDTA, Cupric Disodium EDTA, Sodium Borate, and Sodium Molybdate. It contains over 90 percent of the nitrogen in the nitrate form with no urea, it is very effective under low light conditions. It is completely water soluble for efficient and effective absorption of plants. It provides large amounts of potassium and nitrogen required for plants to grow vibrant, strong, and healthy. Comes in a 25-lb. bag.