These tiles were only rubbed down with a wire brush a few weeks ago and not washed and you can see the Moss is already starting to grow back
Iron Sulphate is a natural Moss killer in the Lawn apparently. So I guessed and put a few spoons full in a bucket.
It has worked a treat
Thanks for watching
Негізгі бет Finishing The Cleaning of the Roof With Iron Sulphate
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