Sonic Boost Flowering Fertilizer is a water-soluble powder that delivers high levels of phosphorus and potassium to plants during flower and fruit development. Add Sonic Boost to hydroponic garden nutrient solutions at the first sign of flowering and then add at every change of nutrient solution. Ideal to use with Optimum hydroponix 2-part nutrient and all other basic fertilizer programs.
Sign up for our newsletter
Sign up for our mailing list to receive new product alerts, special offers.