My neighbors all had their roofs cleaned by that Leprechaun company and it looked great for maybe a year or two but eventually the dark algae growth came back and now it looks just like mine that was never cleaned. Roofs grow this black algae EVERYWHERE. Your roof is not special or defective. Get over it. I use Spray It And Forget it on my roofs up North and have no lichen or algae growth and they look like new. I'm going to do the same thing here and I am sure it will clean it and keep it that way for at least 5 years.
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"I am a great believer in luck, and I find that the harder I work, the more I have of it." -Thomas Jefferson
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