Plant-Prod MJTM Boost 15-30-15 is a high phosphorus formulation that supplies the necessary phosphorus for cannabis transplants and bud sizing. Features This highly soluble formulation has a low salt index and contains no sulphates or harmful chlorides, making it a very safe fertilizer for young transplants to initiate rapid root development. Adequate phosphorus is also required to initiate the stretch and bud formation. When plants are of a sufficient level of maturity or when buds are pea sized, feeding with 15-30-15 provides a boost of phosphorus to promote vigorous bud setting and sizing. Recommendations Start with Stim-Root® Rooting Hormone during propagation Feed during Week 1 once roots are present to establish a healthy root system Feed during Week 4 to boost bud formation Feed in rotation with Plant-Prod MJTMCal Kick as needed No Dye Added formulation.