Mills Ultimate PK is a heavyweight bloom stimulant that contains high levels of Phosphite, which is vital for the later stages of flowering. When used in the last 2-4 weeks of the bloom cycle, this booster will increase the quality, root health and yield of your plants when you come to the big finale of harvest.

• Powerful bloom stimulant

• Increased yield of flowers and fruit

• Improves the quality of your plants and enhances essential oil production

• Enhances aroma and flavour of your plants to the maximum

• Hardens cell structure

• Can be used as a root zone deep cleaner

• Not to be used alongside other PK boosters

• Comes in three sizes: 250mls, 1L and 5L

Mills Ultimate PK is ideal for the later stages of flowering, as it is Phosphite-based and therefore increases oxygen flow to the root. The Phosphite is readily soluble and this helps to stimulate root growth as well as harden cell structure.

Following extensive scientific research into what nutrients are needed to produce a successful harvest, Mills Ultimate PK was created. It works quickly to increase the production of essential oils, which help to enrich your plant’s flavour and aromas, and acts as a hardener and ripener for your plants.

When in flowering mode, higher levels of phosphorous and potassium are needed to develop stronger, larger, and harder fruits. Using Mills  Ultimate PK increases those levels, which leads to an increased yield.

It uses clean and super soluble mineral salts, and it also stops any final stage diseases from destroying your crop. This fantastic PK booster is compatible with all growing mediums

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