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. No dangerous chemical and chemical stripping processes were used to add adulterated colors to our nutrient. These products colors are all natural. Our nutrients are pH buffered and extremely easy to use. All backed by the only performance guarantee on the market today!