Mills Ultimate PK

£16.99 to £179.95

Ultimate PK is a unique Phosphite based bloom stimulant. Phosphite is widely used in European agriculture and is known to have a reduction effect that increa...More

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Mills Ultimate PK

Ultimate PK is a unique Phosphite based bloom stimulant. Phosphite is widely used in European agriculture and is known to have a reduction effect that increases oxygen in the root zone and stimulates root growth. The Phosphite is more readily soluble and is easily absorbed by your plants. Intended specifically for late stage flower and fruit development and essential oil production.

Ultimate PK will make your flowering have larger blooms with enhanced essential oil and terpine production which enhances aromas and flavours of your plants.

Our Ultimate PK is a deep clean for your plants root zone. It acts as a hardener, bulker and ripener using very clean and super soluble mineral salts.

NPK for Ultimate PK: 0-7-6

Average dilution rate: Ultimate PK is to be used in the last 2-4 weeks of flowering, at 2ml per litre.

*PLEASE SEE Downloads for feeding chart.

Ultimate PK must be kept out of reach of children, and is harmful if it comes into contact with your eyes. Avoid ingesting or breathing in the product, as it could be corrosive and harmful to your health if swallowed. Avoid direct heat, fire, or contact with your skin, as prolonged exposure could cause irritation.

Chemical Composition

Phosphate (P2O5): 7.4%

Potassium (K2O): 6.6%

Boron (B): 0.0100%

Cupper (Cu): 0.0210%

Iron (Fe): 0.0480%

Manganese (Mn): 0.0160%

Molybdenum (Mo): 0.0010%

Zinc (Zn): 0.0080%

Physical Appearance

Appearance: Liquid

Colour: Green

Density: 1.12 kg/l

pH: 8.0

Tariff number: 31056000

There are multiple variants of this product:

  • Use in all growing mediums
  • Larger and harder fruit and flowers with the best possible aroma and flavours
  • Hard cell structure – resists final stage diseases
  • Compatible with all watering methods
  • Increased Essential Oil production – better flavours
  • Larger Blooms – Bigger Fruiting Sets
  • Not to be used alongside other PK boosters