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2,350 Posts
Just saw the tattered and stained Colt box and insert sell in the classified section and was wondering if any members have discovered a safe and sane way to clean the stained styrofoam inserts without doing more damage to the insert. I have experimented with everything I can think of from soft brushes and detergent to running them through mama's dishwasher, with less than stellar results. Does anybody have a magic formula to remove the oil and rust stains from the white styrofoam, that does not harm the styrofoam?