Mills Nutrients Start R, 20 LiterStart R is an addition with a high concentration of nitrogen that is used in the vegetative phase. Start R is a predominantly organic, incredibly complex bio stimulant for use with seedlings, vegetatively growing plants and plants in early bloom. It has 2 forms of nitrogen that, when used with our Basis A&B, change the NPK to a higher Nitrogen content suitable for seedlings, vegetative growth, and plants in early bloom. It also contains Humic and