Magnesium Nitrate Hexahydrate 11-0-0+16MgO Soluble Grade. Fertilizer for Nutrigation™ ( Fertigation ) and foliar application, used for prevention and curing of magnesium deficiency in plants. Magnisal can be mixed with a wide range of agrochemicals. For agriculture and Gardening use only. The product is beyond our control hence we are not responding for any damages.