10 Best Cleaner For Trex Deck 2026 in the United States

The Simple Green 13005CT is a concentrated industrial cleaner and degreaser that works well on various surfaces, including those similar to TREX deck material. Its strength lies in removing tough dirt, grease, and stains, which can be helpful if your deck has heavy grime or stubborn spots. Since it’s a concentrated liquid, you can dilute it to match the cleaning task, making it cost-effective and versatile. The application is flexible—you can use it by hand or with cleaning machines like pressure washers or scrubbers, which might be useful for larger decks.

Simple Green Pro HD Heavy Duty Cleaner Concentrate is a powerful, professional-grade cleaner designed for tough jobs, including grease, grime, and stains. It's a liquid concentrate that you dilute before use, making it versatile for many cleaning tasks beyond just decks—such as floors, industrial equipment, and vehicles. One of its strengths is that it’s biodegradable, which means it’s better for the environment compared to harsh chemical cleaners.

The Wet & Forget Xtreme Reach Hose End Refill is a liquid cleaner designed to remove moss, mold, mildew, and algae stains from outdoor surfaces like roofs, siding, patios, and decks, including TREX composite decking. It’s applied by attaching the refill bottle to a garden hose, allowing you to spray up to 30 feet away with either a concentrated jet or a wide fan spray. This makes it easy and convenient to cover large areas without heavy scrubbing or rinsing.