Quote:
Originally Posted by mdavison1949
Go to the hardware and pick up a product called “Wet & Forget.” Works great on roofs, landscaping stones and anything else with mold or discoloration. Just hook to hose and spray. Safe for yards & plants.
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Great stuff. I had someone use a version of the stuff for my main house roof. It takes about 6 months but completely removed all the lichens and moss and all of the black streaks. It has been four years and it is still all gone. I didn't rinse off the bushes and trees next to the house and some of them lost their leaves till next year but none died. I bought the store spray and forget concentrate and used it in a garden sprayer for my garage since it is 300 feet from the house and there is no water out there. The north end siding was all green with mold. That was last year and it is all gone this year. I recommend the stuff!