Emerald Harvest Cal-Mag (2 - 0 - 0) Mediums helps to maintain proper water

helps to maintain proper water levels in your Hydrologic water filtration system

This black plastic bucket lid by Hydrofarm is the companion to our five gallon plastic bucket

Green Sensation is a powerful fertiliser that can be used in any grow style

Also features a multi-position tilt

Emerald Harvest Cal-Mag (2 - 0 - 0) Mediums helps to maintain proper waterKeep 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 base nutrient series for