Mills Nutrients - Ultimate PK Bulky pH Stabiliser: Helps maintain consistent

pH Stabiliser: Helps maintain consistent conditions in nutrient solutions

It's compact

Using Regen-a-root in combination with Wilt Guard will give even better protection

Mixing order: Never mix concentrates directly

Mills Nutrients - Ultimate PK Bulky pH Stabiliser: Helps maintain consistentUltimate PK Gives You Bigger and Better Fruits Ultimate PK is a heavyweight PK booster that contains high levels of phosphorus and potassium two crucial macronutrients that are required in greater quantities during the bloom phase. When used in the last 2 4 weeks of the bloom cycle, this booster will enhance fruit quality and yield, while maintaining root health. How Ultimate PK Works Mills Ultimate PK uses clean and super soluble mineral salts, that