Pro Cal 4L - Calcium and Magnesium Supplement

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.

DOSAGE:

• Use at a rate of 1.25 ml/L of water every feeding in conjunction with your standard feeding schedule as needed.