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We have cleaned 2 roofs with the Roof Snot, so far, so good, temp's have been up a little which helps, the roofs were looking good when we left, will go back and check on them this week. From what we can say today is that they cleaned up just as good, if not little better than with the LO. At 1 qt for 50 gal, it will run a little more than the LO. With Gutter Helmet/shutter/topper/crap, less surfactant is better, as the soap rolls over the gutter it really leaves nice clean mark that looks bad, plus the top flange gets all of the roof scum as it runs down off the shingles. Rain will hopefully cleanse the top, as we now recommend gutter cleaning with those covered systems for all roof cleaning jobs.

Will stick with the MO for the steep work, who wants run off?

I can say spraying from the peaks will leave with some call back touch up down low, spraying up seems to hit the tabs better.

Putting 1 cap of some Arm/Hammer scented detergent to knock down smell.