Vitalize is a high Silicate nutrient that is used throughout the life of the plant.

Ultimate PK

Ultimate PK is a unique Phosphite based bloom additive formulated for the last weeks of flower development.


C4 is an advanced bloom additive designed to assist the plants’ delivery of carbohydrates, macro and micronutrients, and trace minerals to developing flowers.


Start-R is a predominantly organic, incredibly complex additive for use with seedlings, vegetatively growing plants and plants in early bloom.

Basis A&B

Made from top quality ingredients with a focus on bioavailability, Mills Basis A&B has all the macro and micronutrients your plants need.