I don't prewash batting but I do run it thru a cycle on the dryer. My dryer has what it calls a "steam cycle". What really happens is that it squirts some water on the batting and then dries it. You could probably do the same thing by putting a damp towel in the dryer with the batting.
Last edited by cashs_mom; 12-03-2021 at 06:43 PM.