Emerald Harvest - Cal-Mag Beneficial Inoculants veg and flower side by

veg and flower side by side

Hang horizontally and well-supported from your tent or wall frame

Anyone wanting to improve nutrient and water uptake without a synthetic additive

that's available separately

Budget growers running multiple lights where running costs add up fast

Emerald Harvest - Cal-Mag Beneficial Inoculants veg and flower side byEmerald Harvest Cal Mag Calcium and Magnesium Supplement for Coco and Hydro Best for: growers running coco coir or hydro systems who need extra calcium and magnesium to avoid deficiencies during peak flower. Our thoughts Cal Mag deficiencies are one of the most common issues we see reported by new coco growers, and this is the straightforward fix. It's not glamorous, but a bottle of this sat on the shelf saves a lot of head scratching over yellowing