Botanicare Hydroguard, 2.5 GallonDo more with less, Hydroguard is back. Our new formula is more concentrated, more powerful, and more effective than before! Hydroguards unique formula, available exclusively from Botanicare, contains an isolated form of Bacillus bacteria known as Bacillus Amyloliquefaciens. This bacterium was selected, specifically, for its superior ability to amplify root mass and health, especially in hydroponic gardening, when compared with the more common and well