The highly soluble Grotek Monster Bloom powder also contains magnesium, which stimulates metabolism, and sulphur. The latter forms important enzymes and helps in the formation of proteins and some vitamins. It has a positive effect on the essential oils and aroma of the herb. Grotek Monster Bloom is used for growing herbs in soil and hydroponics. Monster Bloom is the only product from the Grotek range that we have on offer. Once they are sold out, they will no longer be in stock.