Earth Juice Hi-Brix Bloom Part B (0-3-1.5)- The Sweetest Plant Food Formulas on the Planet! Based on our Famous Hi-Brix “Molasses for Plants” formula, Hi-Brix Grow Part A and Hi-Brix Bloom Part B are complimentary 2-part plant food formulas for indoor/outdoor plants in soil or hydroponics. Parts A and B are to be used together through all phases of plant development. Use the Original Hi-Brix “Molasses for Plants” for a dynamite finishing formula. Not only is it easy but also the ratios can be varied to fit individual needs. Available sizes: Pints, Quarts, Gallons, 2.5 Gallons, 5 Gallons & 55 Gallons. Sugarcane molasses based.