Emerald Harvest® Cal-Mag (2 - 0 - 0)
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Keep your plants productive and green with Cal-Mag, a calcium and magnesium supplement from Emerald Harvest®.
Containing top-quality ingredients, Cal-Mag is designed to nourish crops with extra calcium and magnesium and create the right conditions for abundant flowering and a heavy yield.
This is especially important when growing in some media, such as coco coir, but any garden can benefit. Use Cal-Mag as a supplement to a base nutrient series for guaranteed professional results.