Grotek Monster Bloom — Heavy Flowering EnhancerGrotek Monster Bloom Peak Flowering Enhancer One of the best selling bloom boosters on the UK market Grotek Monster Bloom is formulated for the stretch to finish period of flowering, where plants transition from early bud development into maximum flower size and density. A potent blend of P and K plus essential micronutrients that drive the biggest flowers plants can produce. Why growers choose Grotek Monster Bloom: Heavy P and K for peak bloom