A unique supplement that can be used with any complete nutrition formula as a blossom booster. The high phosphorus, magnesium and sulfur content of this formula brings out color, fragrance and size in flowers, fruit, and many vegetable crops. Growers using reverse osmosis, rain, or deionized water benefit from the addition for Mag-Pro® to their watering schedule. Mag-Pro® is a nutrition supplement and should only be used in conjunction with a SUPERthrive® complete nutrition formula.