About this item

• Cal-Mag Supplement : 1 - 0 - 0, 3% Calcium 0.9% Magnesium
• 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 CDFA Registered for Organic Gardening
• Prevents blossom end rot or tip burn
• Twin Canaries Chart included with every order