Quote:
Originally Posted by ronn
I have a harbor freight cement mixer to strap to. let it turn all day........
seriously, I would grab my power washer and shoot it out real good or go to a car wash and spray the inside out.
then use a vacuum on blow with duct tape and blow it dry.
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You'll never get all the nooks and crannies with a power washer. And rocks might crumble a little and leave grit behind. Try a box or two of roofing nails and strap to the mixer. If a nail or two gets left inside, no biggie.