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How to Use the DSH-1:
Total Nitrogen (N) 16% Ammoniacal Nitrogen 4
EH Cal-Mag - 2.5 Gal. Amendment Upgrade to the Bluelab GuardianGrow Lush, Green Plants Keep your plants productive and green in any growing medium with Cal Mag, a calcium and magnesium supplement from Emerald Harvest. Emerald Harvest Cal Mag is more than just a calcium magnesium supplement. In contrast to competing products, EH Cal Mag contains kelp extract, a natural source of nitrogen and other helpful compounds, making it different from standard products of its kind. Containing top quality ingredients, Cal Mag
US$ 88.51
US$ 24.95
US$ 129.00
