Professor's Extreme Boost (250, 500g, 1kg or 5kg) Bag vegetative & power save mode

vegetative & power save mode (400W)

Due to the low-temperature ranges and extra skill needed

it's recommended to clean and calibrate your pH instruments once a month

introducing CO2 Enricha 120 Dose

Always use as per instructions

Professor's Extreme Boost (250, 500g, 1kg or 5kg) Bag vegetative & power save modeIntroducing Professor's Extreme Boost SIZE AND WEIGHT GUARANTEED Heavy fruiting and flowering plants require higher levels of Phosphorus and Potassium (PK) for larger blooms. Flower stimulants, like Professors Flower Boost, are ideal to use in the early bloom stage to encourage flower growth and bud onset. As plants approach the final phase, a more concentrated and balanced PK is needed to achieve larger, harder and more dense flowers, creating