Emerald Harvest Cal-Mag - 0.95L varo__400 Routinely disinfect the nutrient solution

Routinely disinfect the nutrient solution to prevent the build-up of algae and slimes

This system uses negative water pressure to recycle oxygenated nutrient solution through the plant’s root zone

and your work doesn’t end when you harvest

1 x Plant guard 1L

Contamination between solutions can easily occur

Emerald Harvest Cal-Mag - 0.95L varo__400 Routinely disinfect the nutrient solutionKeep 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.