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.