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

Featuring a built-in UV-C clarifier

• Resin-XS: is PGR free

Accuracy: Temperature: ±1°C (±2°F)

After you’ve completed your batch trim

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.