Green Planet Pro Cal

Pro Cal is an excellent supplemental source of Calcium, Magnesium and Iron. Plants engaged in rapid growth can often come up short on these essential elements so supplementation is a great idea. The savvy grower makes Pro Cal a must have in their arsenal of plant growing weapons.

• Thickens cell walls
• Helps form calcium pectate
• Fully chelated iron
• Important source of magnesium
• Noticeable size increase
• Improved enzyme function
• Coco coir approved
• Powerful formulation