EM.1 is a liquid bacterial product made mainly of three groups of bacteria: Yeast, Photosythetic Bacteria and Lactic Acid Bacteria. EM.1 works together with local and native beneficial microbes, creating a synergy among microorganisms and larger forms of life including insects and worms, pets and livestock, and people. All products using EM Technology contain EM.1 in some part of their manufacturing process.