Vermifilter is a greywater waste treatment by utilizing the symbiosis of earthworms with microbes. more efficient, simple in design, and easy to maintain. The purpose this study was determine effect vermibed material on concentration BOD5, NH3-N, DO using vermifilter. used four vermifilter reactors (VF) filtration media for gravel, coconut fiber, rough sand, vermibed. Reactor VF1 uses mixture m...