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NutriHydro Bio CalMag is a combination of bio-stimulants, calcium and magnesium necessary for the cultivation of leafy and fruit bearing crops. It provides essential nutrients necessary for the production of chlorophyll, the pigment that allow plants to carry out photosynthesis. NutriHydro Bio CalMag compliments and enhances the nutrition from traditional fertilizers. Preparation & Storage Instruction: Fill Bottle to the top with filtered or distilled water. Shake well, replace plug and cap. Keep refrigerated. Foliar instruction: Dilute 1ml to every 1liter of water. Foliar spray once in two weeks or once a week. Soil & Sprinkler application: Dilute 2ml of to every 3liters of water. Apply once every two weeks.