By Humboldt County's Own. Purple Maxx intensifies nutrient performance during the bloom cycle to boost overall flower production and enhance desired qualities like color brilliance. Particularly well-suited for culinary specimens prized for their flavor-enhancing essential oils like citrus, mint and basil, this clear liquid supplement is 100% organic with amino acids. Manufacturer suggests reducing standard nutrient concentration by 1/3 as Purple Maxx substantially increases nutrient absorption. Purple Maxx is recommended for foliar feedings and, in some instances, may alter color.