
30 SECONDS 2.5-gallon Mold and Mildew Stain Remover Concentrated Outdoor Cleaner
Will it work on stained gutters?
1
Stain is not colorfast so it will remove the stain particularly where there is residual stain that hasn't penetrated completely upon the initial application of the stain. 30 SECONDS Outdoor Cleaner is great for prepping the surface prior to painting, staining and varnishing.
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