Good thought. I don't think I've got enough material to accurately
test. And the properties changed. Used to be flakes, and now it's
short fibers.

--
Christopher A. Young
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wrote in message
m...

If the gunk is decomposing liner from the supply hose, it should show
properties of plastic ... try filtering a couple of gallons through a
fine-weave dark fabric. Scrape up a little of the "snow" and see if
it
burns or melts.