DRAIN SOLUTION is a powerful non-acid opener and maintainer and is designed especially for the professional maintenance technician. DRAIN SOLUTION is 3 times heavier than water and can travel through several feet of sewer line to reach a clogged source. What can clog your drain? Hair, Paper, Grease, Lint, and Organic Buildup: that is what DRAIN SOLUTION was designed for yet is safe on PVC, Clay, and Steel lines. DRAIN SOLUTION should not be used in garbage disposals.