This Botanicare Plant Nutrient Solution is a liquid compost designed for use through all stages of the plant growing cycle. AquaShield can be used with all grow media, but is specifically designed for hydroponic gardens. Creating a natural colony of beneficial bacteria, including Bacillis Subtillis, Paenibacillus Polymxa, and Bacillus Circulans, AquaShield helps seedlings and cuttings root faster and increases survivability when transplanting to other media. Choose Botanicare AquaShield, and make sure your garden is happy, healthy, and huge!