Recommended application rates are listed on the product labels, pre-developed recipes, and nutrient calculator at botanicare.com. If growing in nutrient fortified potting soil or using supplements, reduce application rate by 25%. If using reverse osmosis water and or in coco coir, it’s recommended to add 5 ml of Cal-Mag Plus per gallon of water. Use with every watering.
Use with Hydroplex, Cal-Mag Plus, Rhizo Blast, Sweet, Hydroguard, and Liquid Karma.