Seal-Once Wood Cleaner is a 3-in-1 concentrated formula which penetrates deeply to loosen dirt for easy cleaning. Combines brighteners to remove unsightly wood discoloration while easily and safely removing mold, mildew and dirt. This product should be used prior to applying Seal-Once Waterproofer or any other waterproofing products such as stains. Guaranteed to increase the life of your water-phobic coating.
No harsh checmicals