Fertilizer Hydroponic and Greenhouse Grade 19% water soluble Calcium 1 lb bag
HYDROPONIC PLANT FOOD with WATER SOLUBLE CALCIUM (19%). For use in all hydroponic, greenhouse and soil applications. 1/2 teaspoon (approx. 3 grams) into 1 gal of water. Total Calcium (Ca) 19%. Water resistant re-sealable pouch.