$22.68
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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. 

Features

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