I did a test spot on the black with 5-6% and no issue with discoloring. So, I know I’m safe there but I’m wondering about the white trim. I did a test spot (even brushed by hand) but it didn’t seem to do a lot of good. Will I just have to soak the heck out of it or is it a lost cause? I have also read about people painting awnings. Not sure I want to get into that.
In my experience, the trim is always the toughest part to get clean. All I’ve found that works is a good soak in the mix and brush with a stiff brush. Time consuming but usually produces good results. Also, the white trim usually looks much better once it’s fully dry.
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