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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.
In The Box
-  x Green Planet Pro Cal - 1L / 5L / 25L / 207L | Calcium Magnesium Supplement | CalMag
- 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.