Blue Planet Nutrients BlueMax 2-Part Base Nutrients Gallon (128 oz bottles) | Hydroponic Soil Coco Coir Soil-less | Fertilizer For All Gardens | Best Plant Food | Gift for Gardener BlueMax 2 Part base nutrients provide complete plant nutrition from seedling to harvest High grade, ultra-concentrated formula that's easy to use for beginners and experts alike; Contains one gallon of each BlueMax Part A, and BlueMax Part B, mixing instructions, and measuring glass! Designed for use in all hydroponic systems, aeroponics, coco-coir, all soil-less mediums such as vermiculite, perlite, and in soil Proven results across the internet! See why everyone is raving about Blue Planet Nutrients!