I've tried styrafoam and found it is messy and doesn't work. You
might have to buy one of the name brand foam pad to see what I'm
talking about to match it up to the right kind of packing foam.
Personally, I don't understand what is so difficult about something like
using baking soda on a damp sponge.
...or a belt sander.
--
Cheers, Bev
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"Americans are looking for more government in their life, not less."
-- Colin Powell, former Good Guy