Technaflora® MagiCal, 10 LiterMagiCal is a highly enriched formulated blend of Magnesium, Iron and Calcium that promotes vigorous and healthy plant growth for both soil and soilless gardens. When incorporated in your regular feeding program, MagiCal improves the nutritional quality of plants while reducing leaf chlorosis and deficiency related disorders such as blossom end rot, stem rot and tip burn.