IAdvanced Nutrients Grow, Micro and Bloom can be combined to provide specialized nutrients for plants in structural, foliar and blooming stages. Formulas can be custom mixed for specific applications by combining the 3 components to suit the needs of your plants particular growth phase.Advanced Nutrients has developed in our labs the first technically engineered full spectrum nutrient designed exclusively for heavy feeding plants grown under high pressure sodium and metal halide lights. Producing an unmatched accelerated growing plant in vegative growth and faster heavy flowering plant in the blooming cycle. Advanced Nutrients are specially suited for hydroponic, aeroponic, NFT, ebb & flow, wick, or drip irrigation systems using rock, wool, or any other hydroponic growing medium as well as sphagnum moss mediums. Our nutrients are pH buffered and extremely easy to use.For best results: monitor nutrient quality with a PPM meter and control nutrient strength. Replace nutrient every week.Remember! Always add Micro to your reservoir first, and then add Bloom and Grow.