I have had mold and dirt in my front driveway for years (see picture). I wanted it gone! Someone suggested a washing machine. I'm picky and I knew I would be very angry if this didn't work. Sometimes there is NO SUBSTITUTE for old-fashioned elbow grease. So I ordered this wire brush (note: you must bring your own BROOM). I mixed Oxy Clean and a cup of bleach in hot water and started scrubbing. It took me 3 hours of hard work to make 14 cement blocks, but my 30 year old driveway looks almost like new concrete. The before/after image is literally almost as sharp as day and night. IF you don't mind hard work, I highly recommend this brush. IT WORKS!
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