Product Details Aptus MINERAL-CALMAG is a 100% water-soluble additive containing necessary plant-available forms of nitrogen, calcium and magnesium. This formulation has been designed to prevent common deficiencies while buffering your feed water when growing in soil-less mediums such as coco, perlite, rockwool, hydroton or recirculating systems and/or using filtered sources of water. MINERAL-CALMAG can be used throughout the entirety of the vegetative and flowering stages of growth. MINERAL-CALMAG has excellent pH stabilizing capabilities and is the calmag of choice for commercial growers or any cultivator operating fertigation systems, recirculating systems or longer reservoirs. Dosage With a 2-part NPK 1.5 ml per 1 gallon With BASE and municipal water 2.5 ml per 1 gallon With BASE and RO/Soft water 3 - 4 ml per 1 gallon METRIC With a 2-part NPK 0.4 ml per 1L With BASE and municipal water 0.6 ml per 1L With BASE and RO/Soft water 0.8 - 1 ml per 1L
