To grow wheat or barley grass you need to apply mineral rich products into the growing medium which the grasses with take up when that are incorporated into the growing medium. This kit contains 500 grams of wheat grass seeds, 500 grams of barley grass seed, mineral from rocks (Wallys Unlocking your soil), minerals from the ocean (Wallys Ocean Solids) Magic Botanic Liquid (Minerals from prehistoric times) and BioPhos (reactive rock phosphate broken down by microbes)