SUPERTHRIVE MAG-PROSUPERthrive Mag Pro Nutritional Supplement NPK 2 15 4 is rich in phosphorous, magnesium and sulphur, and is designed to rectify deficiencies in these minerals and to promote earlier and heavier budding and flowering. Plants will have bigger, more colourful, and more fragrant blooms, and flavour will be enhanced through increased production of essential oils, terpenes, and flavonoids. SUPERthrive Mag Pro contains ample phosphorous and sulphur. Mag Pro