Mills Ultimate PK Booster



Mills Ultimate PK Booster is a deep clean for your plants root zone. Hardener, bulker, ripener, very clean and super soluble mineral salts.  This‘big finish’ for your plants is specifically designed for use in the last 2 to 4 weeks, Ultimate PK booster has been extensively tried and tested so it gives your plants that extra boost during ripening. Produces larger, heavier fruits with an increased aroma and flavour. A first rate nutrient essential for the final stages of bloom.


Phosphate (P2O5): 7.4 %

Potassium (K2O): 6.6 %

Boron (B): 0.0100 % 

Copper (Cu): 0.0210 %

Iron (Fe): 0.0480 % 

Manganese (Mn): 0.0160 % 

Molybdenum (Mo): 0.0010 % 

Zinc (Zn): 0.0080 % 

See the DNA Mills feed chart for recommended usage.

Keep this product at room temperature. Do not allow it to freeze.



Full Product Description

Mills Ultimate PK Booster is available in the following bottle sizes –

  • 1 L
  • 5 L

Benefits of using Ultimate PK Booster from Mills Nutrients –

  • Larger and harder fruits and flowers
  • Hard cell structure
  • Best possible aroma and flavour