Advanced Nutrients Voodoo Juice is a beneficial bacteria root booster that breaks down old root material into nutritional matter while enabling roots to repair themselves and create new tissue.;You can use Voodoo Juice with all hydroponics sphagnum coco coir and soil growing mediums. It works well with all hydroponic aeroponic drip irrigation NFT flood and drain drip emitters and continuous liquid feed growing systems.Voodoo Juice helps increase root mass so your plants are better able to intake nutrients and resist stress and disease.Youll notice stronger growth and blooming when you use VooDoo Juice. It is simply an incredible product. There is nothing else like it on the market.Application rate: use 2 mL per Liter during weeks 1 through 2 of your flowering phase and during weeks 1 through 2 of vegetative growth.