Safely and effectively removes lime scale, iron, soap scum, and grease left behind in your dishwasher. Is also a limited disinfectant against gram-negative bacteria such as Eschericha coli and Salmonella Choleraesus. Improves cleaning performance and extends the life of your dishwasher. Safe for plumbing and septic systems. Use once a month to ensure optimal cleaning and prevent build-up. 12oz.