MagiCal is a highly enriched formulated blend of Magnesium and Calcium that promotes vigorous and healthy plant growth for both soil and soilless gardens. Incorporated in your regular feeding program MagiCal increases flower bud absorpotion and improves the nutritional quality of plants while reducing leaf chlorosis and deficiency related disorders such as blossom end rot, stem rot and tip burn. Improves density of fruit and production of essential oils. Highly soluble -- works in conjunction with any nutrient.