Tracer Products Offers LeakFinder AC Dye
LeakFinder Universal AC Dye (LF1001) works with all automotive air conditioning systems containing R-134a, R-1234yf, or other widely used refrigerants, and will not affect system lubricant properties or change how the equipment works.
System-specific dyes may be used with oil-based fluids as well. For example, LeakFinderOil-Based Dye (LF2001) addresses systems containing oil, fuel, transmission fluid, power steering fluid and more.
UV dyes can also be added to coolant, and be used to treat leaking radiators, hoses, and other system parts.
And LeakFinder Coolant Dye (LF3001) can be used with all conventional coolants and is compatible with all blue/violet/UV leak detection flashlights.
For more information, see www.tracerproducts.com