09-19-2019, 06:52 PM
Fritz wrote:
I've heard of the stuff. Y'ever use it?
Andersen is making a free service call. Time will tell.
I have a bottle of Wet and Forget that I sprayed on a brick wall outside by our driveway. It certainly does not work overnight, but over several weeks, the green stuff started to go away. It's been doing its job for about 4-5 months now. I should probably reapply it at some point.