Creates heat to dissolve clog producing waste, provides heat to thaw frozen drains. Will not harm plastic or metal pipes when used in recommended amounts, for sinks, tubs, showers, septic tanks & laterals. Specifications Capacity: 1 gal Weight: 16.25 lbs - SKU: BSTWC19639

Drain line opener. Sulfuric acid drain opener for sinks, tubs, showers, and septic laterals. Instantly creates heat to dissolve clog producing waste and provides for free running drains in freezing weather. Will not harm plastic or steel pipes when used in recommended amounts. Never use with, before, or after, any other drain cleaner or chemical. Read the label for warnings and directions before using.