Cal-Mag Plus is a custom blend of Calcium complex with Nitrate Nitrogen and a highly soluble amount of chelated Magnesium. This combination helps to stop blossom end rot in tomatoes and to help prevent deficiencies in Calcium and Magnesium.
Cal-Mag Plus is to be used as a supplement for standard nutrient formulations, but can be used as a Foliar application after fruit set. Cal-Mag Plus also contains a catalyst, Gold Label Reactant, which increase the cation exchange capacity and provides for increased water and nutrient uptake. Botanicare