HydroDynamics International Ionic PK Boost, 55 Gallon Grow Room Accessories SYTWIN ensures constant water supply It produces an immaculately SYTWIN ensures constant water supply to housing thanks to the BACKUP function Floralicious truly is the best of both worlds in terms of organic growing and salt based nutrition Ionic PK Boost delivers the key mineral elements phosphorus (P) and potassium (K) in a pure form that is instantly accessible to the plant These crucial ingredients are used in abundance by plants in their fruiting or flowering cycle and the extra levels provided by Ionic Boost can lead to larger flowers and much heavier crops