Growhard Nutriboost is a concentrated vitamin tonic designed for both the grow and bloom stage of plant development. It contains a combination of vitamins including B1, B2, B6, B12, A, D, E and K as well as a 1NAA which is a synthetic hormone that promotes root and shoot growth. Nutriboost helps reduce stress and shock that can be caused by transplanting, over or under watering, excessive heat or cold and attacks by pests.

Nutriboost increases root activity and overall vigor of the plant, making it less susceptible to diseases.

Use 1-2ml per 1L all the way through your grow.