Usage instructions: Add potash at 1 – 2ml during the flower cycle. PK Booster is ph balanced and chelated for maximum uptake. Potash should be added to the tank after water & silica but before any other additives or food for best results.
Note: PK Booster can be added in higher doses from week 5 onwards to harden flowers and increase yields.
Adjust final PH to 5.5 – 6.3.
All devils Harvest products haven been scientifically formulated using the highest quality and purest of raw materials possible.
Warnings: not to be taken internally, keep out of reach of children, if swallowed seek medical advice.