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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
It comes complete
Length (in): 7
greenhouse crops
It helps lower high nutrient-solution pH into the appropriate range for nutrient availability and plant uptake
Emerald Harvest Cal-Mag Grow Formulas It comes completeEmerald Harvest Cal Mag 2 0 0 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
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