IPA? You wash them in beer? That was just my first thought. Isopropyl Alcohol is abbreviated IPA? First I heard that. International Phonetic Alphabet? Innovative Products of America (IPA®) is an Original Equipment Manufacturer specializing in the development of innovative tools and equipment since 1991. so much for the googlenet. <L> Lou Judson Intuitive Audio 415-883-2689 > On Jul 3, 2019, at 12:12 PM, Karl E. Fitzke <[log in to unmask]> wrote: > > I've been warned off of IPA in the past, being told it could prematurely dry out rollers. Not hard to imagine if used a lot. It is valuable to hear you've had success at your rate of use, Shai.