PK Bulk For smashing blooms A 3-in-1 concentrated formulaSupplement nutrition in flowering plants, maximises flower buds and enhances flowers with natural plant extract hormones. PK Bulk is a biostimulant that enhances and extends the flowering period. It has become the product-to-beat in indoor gardening, more concentrated than any competitor product yet still a true solution, with no suspended insolubles.A safe and natural product without PGR’s, it is uniquely concentrated in order to yield unstoppable results. Triggers an increase in flowering sites. Causes fruits to swell-up in size. Increases the weight of the end-product. Can be used with any base nutrient.# Contains: Phosphate (P2O5): 180g/lPotassium (K23O): 200g/l Application: From the end of week 2 of flowering to flush: Use just 2.5ML in 10L. From week 7, through to flushing: Use 5ML in 10L.