BIO DIESEL Rhino K Potassium Bloom Booster produces harder flowers with more swollen enlarged bud calyxes and higher trichome production and promotes more flowering sites with denser development and heavy blooms. BIO DIESEL Rhino K is a unique form of Potassium, combined with Vitamins and Fulvates ensures maximum nutrient availability while also increasing the transfer of key sugars. BIO DIESEL Rhino K does not contain Phosphorous and is more microbe friendly than most PK bloom additives and should be used during the last 3 weeks of budding to harden and swell flowers during the later demanding stages of bloom directing all energy and plant reserves towards bud formation and enhanced trichrome and increased oil production.