General Hydroponics organic BioRoot® is a natural root growth supplement that helps plants establish healthy and vibrant root systems. It contains vitamins, enzymes, organic and humic acids that stimulate root growth. BioRoot is outstanding for seedlings and cuttings, helping young plants develop strong and massive root systems. For mature plants BioRoot will maintain health by improved nutrient uptake. Use BioRoot with any garden soil, potting mix, or other growing media.