Diseases, bacteria, harmful chemicals—keeping a community's drinking water safe from contaminants is extremely important. The Accu-Tab system offers a safe and state-of-the art approach to municipal water treatment for improved operational performance in your water treatment plant. The calcium hypochlorite technology of the Accu-Tab system is used worldwide and is certified or approved by NSF, USDA, EPA, FDA and AWWA. Accu-Tab is a safe alternative to gas and bleach. It requires low maintenance and low capital investment.