Gringo Rasta Cal-Mag 16 oz.

Cal-Mag Supplement. 1-0-0, 3% Calcium 0.9% Magnesium. Have you ever met a grower that was super stoked about blossom end rot or tip burn? No way! That's why FoxFarm brings you Gringo Rasta Cal-Mag. Calcium and magnesium help strengthen cell walls and aid in fruit development, helping you avoid the costly and frustrating deficiencies that cause these problems. OMRI Listed and Registered CDFA Organic Input Material.