Mills Ultimate PK

Mills Ultimate PK

From £18.95

Mills Ultimate PK is a powerful heavy weight bloom booster designed to be used during the last 2 to 4 weeks of the flowering stage. The superior composition of ULTIMATE PK provides the plant with all the nutrient needed during ripening for more abundant fruit set, hard cell structure and the best possible flavor and aroma.

Availability: 250ml, 1ltr and 5ltr.

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SKU: Mills_Ultimate_PK Categories: , ,



Mills Ultimate PK is an essential flowering additive suitable for the last 2 to 4 weeks of the blooming stage. The top-quality ingredients used by Mills offer your plants’ the necessary support for a grand finale. What’s best, the product strengthens your plants’ internal structure and ensures high yield harvests. Mills has undergone years of research to guarantee that the Mills Ultimate PK formula offers your plants the right nutrients for the ripening period. The booster’s success exceeds appearance, it also improves the aroma and flavor of fruits.

Ultimate PK is a unique Phosphite based bloom stimulant formulated for the last weeks of flower development. Phosphite is an extremely bioavailable form of Phosphate that promotes healthy root systems and helps insure proper nutrient intake and plant health late in the bloom cycle. Ultimate PK is specially designed to act as a hardener, bulker, and ripener to push your production to the limit.

ULTIMATE PK is responsible for:-

  • Larger and harder fruit and flowers with the best possible aroma and flavor (Discontinue use of C4 when ULTIMATE PK is introduced).
  • ULTIMATE PK is the “ultimate” bloom booster on the market today!
  • Compatible with all growing medium and watering methods

Recommended Additional Purchases:-

For our full range of Mills nutrients see here!

You can also find our extensive range of flowering boosters here!

Additional Information:-

More information from the manufacturer here!