We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Our Top Picks Best Overall Best Pre-Staining Best for Pressure Washer Best for Mold and Mildew Best for Oil and Grease Best Eco-Friendly Jump to Our Top Picks Before You Buy a Deck Cleaner How We Tested the Best Deck Cleaners What to Consider When Choosing the Best Deck Cleaner FAQs Meet the Tester Outdoor decks are favorite spots for entertaining and relaxing, but like all exterior surfaces, they eventually get dirty. Left that way, they can become dingy and drab before their time. To keep your deck looking great , it’s recommended to clean it annually—ideally in spring or early summer—and then follow up with a sealer for extra protection from the elements. But with dozens of deck cleaning products available, choosing the best one can be a challenge. That’s why I set out to personally put a host of popular products through their paces.…