Right now at Home Depot you can get a FREE BEHR Premium 1-Gal. All-In-One Wood Cleaner after rebate! Be sure to print this now in case they pull the rebate form.
Behr Premium All-In-One Wood Cleaner helps transform old, dirty, mildew stained wood surfaces into clean wood that is then ready to stain or finish. Ideal for decks, fences and siding. Removes exterior stains caused by mold, mildew, algae and fungus.