Advanced Nutrients B-52 Vitamin Supplement contains Vitamin B1, kelp and additional ingredients that promote maximum plant growth well and production. Advanced Nutrients B-52 is designed to keep your plants healthy in the demanding conditions of a high-intensity garden. B-52 promotes the maximum growth of roots, which allows for an increased uptake of both the primary- and micro-nutrients that your plants need. B-52 is used by professional gardeners to strengthen and feed clones, seedlings, vegetative plants and blooming plants. By blending the support of powerful vitamins, B-52 is specially designed for use with all hydroponic growing media, including coco coir as well as continuous liquid-feed growing systems such as aeroponics, NFT, deep water culture, flood and drain, and drip irrigation and emitters.