Emerald Harvest - Cal-Mag Plagron and where you're confident enough

and where you're confident enough to manage feeding from week two onwards

tightly-packed flowers with improved structure when dosed correctly

Roots hit an already-primed environment

Netting: Premium non-absorbent mesh with substantial airflow gaps

Use with every feeding if you want consistent results

Emerald Harvest - Cal-Mag Plagron and where you're confident enoughEmerald 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