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Old 03-18-2011, 02:31 AM
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Your local parts store carries driveway cleaner that is alkaline-based. It's stronger than "regular" heavy-duty cleaners of that type- think industrial-strength 409 spray cleaner. Follow the directions, costs about $8/gallon last time I looked. This is a also good cleaner to dilute for shop/household use. It's much the same as any household 409/Fantastic- type spray (minus the perfume and dyes), once it's diluted.

The cost of the stuff I use (Black Maxx from NAPA) is <10/qt! for use in the house and shop, diluted 32:1 (and is still about 1-1/2 to 2 times stronger than OTC cleaners). Full strength? Forget about removing mere grease- this will remove paint AND will burn hell out of your skin, so follow the lable directions. MUCH stronger than any of the other so-called "full strength" cleaners of its type. It's viscious stuff!
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