Green Planet - Pro Cal

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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

How to Use It?

  • 5 ml/gal throughout the vegetative stage.
  • 7 ml/gal for the flowering stage
  • Stop using prior to the flush week.
Green Planet - Pro Cal