Size:9.46 L Keep your plants productive & green with Cal-Mag, a calcium & magnesium supplement from Emerald Harvest. Containing top-quality ingredients, Cal-Mag is designed to nourish crops with extra calcium & magnesium & create the right conditions for abundant flowering & 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.
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