there's an active thread here about exactly that. it worked with older Dex III ATF, it doesn't work with more modern synthetic formulas, they don't mix well. and the author of the original study (circa 2007) that tested the various compounds later admitted he'd actually used 1,1,1 TCE, which is considered highly toxic and a strong greenhouse gas and is tightly regulated, so he substituted Acetone for his article (but hadn't actually tested it). I'll stick with Kroil.