Not as good as it claims.
It only removed a little bit, the newest dirt. I did it several times, followed instructions, left it several hours, and removed barely 20%. Mine was not even close as what they said, and it looks pretty bad still. The pink metal sponge (braso) did more in one scrub, that this in 7. I threw away the rack, and the rest. This is not worth it at all, a waste of $20.
Rating: 2 stars