M.L.D. Bowl Cleanser destroys many dangerous bacteria found in toilet bowls. M.L.D. Bowl Cleanse quickly removes rust, scale and lime deposits. M.L.D. Bowl Cleanse is formulated to eliminate unpleasant restroom odors, not mask them. M.L.D. Bowl Cleanse will not harm plumbing or septic tanks. M.L.D. Bowl Cleanse is packaged in a handy unbreakable plastic bottle with an acid-resistant label.