The Cherne Smoke Fluid is widely used in the municipal pipe testing process. The smoke fluid is used with smoke generating machines, such as the Air-Loc Smoke Blower.
First, smoke is blown into the piping system, then second, the smoke escapes through leaks/cracks in the system and is doing so visually identifying the location of the leak.
065808 Cherne Smoke Fluid 1 Gallon
065818 Cherne Smoke Fluid 5 Gallon