Emerald Harvest Cal-Mag 2.5 Gal-9.46 L Integra Boost One Way's effectiveness is nothing

One Way's effectiveness is nothing short of amazing

30% more lumens than magnetic ballasts for improved yields

Due to manufacturing process

plentiful fruit and beautiful blooms

affecting cell division

Emerald Harvest Cal-Mag 2.5 Gal-9.46 L Integra Boost One Way's effectiveness is nothingKeep your plants productive and green with Cal Mag, a calcium and magnesium supplement from Emerald Harvest'R. 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