Emerald Harvest Cal-Mag - 3.79L Hydroponic Air Pumps Featuring a built-in UV-C clarifier

Featuring a built-in UV-C clarifier

Mineral buildup and lockout are major causes of nutrient deficiencies - solve these issues with Athena Cleanse

It is ideally lit with a compact fluorescent grow light“every photon being maximised towards full potential thanks to the PAR+ super reflective lining

The Treegers GL650W+ Driver Extension Kit is composed of two cables in 3 meter length each

Emerald Harvest Cal-Mag - 3.79L Hydroponic Air Pumps Featuring a built-in UV-C clarifierKeep your plants thriving with Cal Mag, a high quality calcium magnesium supplement from Emerald Harvest. Formulated with high quality ingredients, Cal Mag provides the extra calcium and magnesium needed to support vigorous flowering and heavy yields. It's particularly beneficial for media like coco coir, but any garden can reap its advantages. Cal Mag strengthens plants and helps correct nutrient deficiencies commonly found in various growing media.