You must return all of your other cleaners and grab Corte Clean because…… It actually works!!! Skip the gym for the day, grab your scrub brush and mixture of Corte Clean and get to work. Don’t think, however, you don’t need to scrub. You do. But, the great news is once you’ve done all this everyone will say, and I quote, “looks like brand new, mom.” Truly, I’m not making this up! I used another product, spend one half day on a 12X12 deck with only half of the mold removed. Was I depressed! I love this stuff so much I could sell it. That’s a true testimonial.