Big Blu Subzero Leak Detector, 1 Gallon

Big Blu (RT150G) Subzero Leak Detector is an extremely low temperature version of Big Blu bubble leak detector fluid. A strong, persistent film forming liquid that is the only bubble/foam indicator capable of detecting gas leakage down to 0.79 ounces per year. Use on any gas including Oxygen. It’s non toxic, non-corrosive, biodegradable, and NSF approved for use around food. Does not contain chlorine, aliphatic amines, or ammonium compounds. Temperature Range of -30 to 202 degrees Fahrenheit (-34 to 121 degrees Celsius). Comes in a 1 gallon bottle.