For over 60 years, Superior Smoke’s testing technique continues to be used with great success by thousands of municipalities in all 50 states, and around the world. Hundreds of millions of feet of sanitary sewer mains have been effectively tested using Superior Smoke products, eliminating countless faults and costly SSOs. A fast and cost-effective method to find all sources of surface inflow to sanitary sewers, smoke candles find problems quickly and cost-effectively....