Emerald Harvest - CalMag (CALCIUM-MAGNESIUM SUPPLEMENT) powder Apply as a foliar spray

Apply as a foliar spray by diluting 50mL of the concentrate in one litre of water

making it forgiving for beginners and precise for pros

High pressure

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and heaters to optimize your grow space’s temperature

Emerald Harvest - CalMag (CALCIUM-MAGNESIUM SUPPLEMENT) powder Apply as a foliar sprayBoosts Photosynthesis Rates and Nutrient Transport for Enhanced Growth Cal Mag, from California's Emerald Harvest, maintains optimal growth rates by providing a source of calcium and magnesium two secondary macro nutrients that play hugely important roles in plant health. Cal Mag will assist with the transport of other nutrients and increase photosynthesis rates, while helping to get the best out of your other boosters during peak flower. How Cal Mag