Maintaining the beauty and longevity of your Trex deck requires the right cleaning product that effectively eliminates stains, mildew, and grime without damaging the composite material. Below is a comparison table featuring top-rated deck cleaners tailored for Trex and other composite decks, considering coverage, safety, and cleaning power.
| Product | Coverage | Features | Suitability |
|---|---|---|---|
| DeckMax Premium Deck Cleaner Kit | Up to 1,500 sq. ft. | Removes mold, black/green stains; includes scrub brush; eco-friendly | Trex, Timbertech, Wood decking |
| DeckMAX Concentrated Composite & Wood Deck Cleaner | Up to 1,500 sq. ft. | Professional-grade; mildew remover; zero VOCs; safe for family & pets | Trex, Timbertech, Fiberon decks |
| Wash Safe™ SPRAY & CLEAN Deck Cleaner | Up to 1,500 sq. ft. | Deep cleaning formula; no scrubbing required; minimal bleach; safe | Trex, TimberTech, Fiberon, Calibamboo decks |
| STAR BRITE Non-Skid Deck Cleaner & Protectant | 1 Gallon | Effortless stain removal; UV protective coating; safe on all surfaces | Fiberglass, vinyl, plastic, rubber, painted surfaces |
| Simple Green Oxy Solve Deck & Fence Cleaner | 128 Fl Oz | Uses peroxide for grime lifting; colorless & unscented; no harsh chemicals | Decks, fences, pergolas, gazebos |
DeckMax Premium Deck Cleaner Kit for Trex Decks

The DeckMax Premium Deck Cleaner Kit is a powerful and eco-friendly cleaning solution designed specifically for both wood and composite decks like Trex and Timbertech. It effectively eliminates black and green stains, mold, and heavy grime. This professional-grade cleaner covers up to 1,500 square feet, offering great value for larger deck cleaning projects.
The kit stands out by including a premium natural bristle scrub brush to tackle tough spots that may require manual scrubbing. Suitable for use with a pressure washer or manual application, it balances chemical strength and safety, making it ideal for anyone seeking a thorough yet environmentally conscious deck cleaning product.
DeckMAX Concentrated Composite & Wood Deck Cleaner

This professional-grade cleaner by DeckMAX is highly concentrated and capable of covering up to 1,500 sq. ft. It efficiently removes black and green mildew stains, mold, and grime from composite and wooden decks including Trex, Timbertech, and Fiberon. The formula is zero VOC and contains no harsh solvents, making it safe for families, pets, and the surrounding plant life.
Its eco-friendly composition provides peace of mind while delivering superior cleaning. This cleaner works well for consumers searching for an effective but non-toxic solution for maintaining multiple decking materials.
Wash Safe™ SPRAY & CLEAN Composite Deck Cleaner

Designed with safety and effectiveness in mind, Wash Safe™ SPRAY & CLEAN composite deck cleaner penetrates deeply and removes black stains from moss, algae, mold, and lichen without scrubbing. It cleans Trex and other composite decks like TimberTech and Fiberon while maintaining color and avoiding damage.
This formula includes a controlled 5% chlorine bleach concentration combined with surfactants that transport the cleaner into deck pores, breaking down deep-set stains with ease. Ideal for those wanting powerful, hassle-free deck restoration.
STAR BRITE Non-Skid Deck Cleaner & Protectant

STAR BRITE’s Non-Skid Deck Cleaner is a multifunctional option that not only cleans but also offers UV protection against future stains and sun damage. While primarily targeted at boat decks, its safe, non-skid formula is suitable for multiple surfaces including fiberglass, vinyl, plastic, and painted decks.
The cleaner works by lifting and dissolving stains on contact, eliminating the need for tough scrubbing or rubbing. Its protective coating helps repel dirt and staining agents, making it a versatile choice for composite deck surfaces requiring ongoing maintenance and protection.
Simple Green Oxy Solve Deck and Fence Cleaner

The Simple Green Oxy Solve cleaner is a peroxide-based solution designed to lift grime, grease, and stains from decks, fences, pergolas, and gazebos. It is colorless and unscented, making it a good choice for sensitive users or for areas where harsh chemical odors are undesirable.
This cleaner leverages the oxidizing power of peroxide to penetrate and lift tough buildup without using harsh or toxic chemicals, suitable for use on various outdoor wood and composite surfaces. It’s an eco-conscious option for removing dirt while preserving surface integrity.
Buying Guide for Choosing the Best Cleaner for Trex Decks
When selecting a cleaner for your Trex deck, especially composite materials, there are several key factors to consider ensuring the best results without damaging your decking:
- Deck Material Compatibility: Trex decks are composite, so choose cleaners specifically formulated for composite or wood decks. Avoid harsh chemicals that can degrade the material or its finish.
- Cleaning Power vs. Safety: Powerful cleaners often contain bleach or oxygenated compounds, which are effective on mold, mildew, and black stains. However, ensure they are safe for plants, pets, and family, especially if your deck is near landscaping.
- Coverage and Concentration: Consider the coverage area you need. Concentrated formulas covering large areas offer more value but require dilution and proper mixing.
- Ease of Use: Some formulas require scrubbing, while others are spray-and-clean with minimal effort. Choose according to your preference for manual labor or convenience.
- Environmental Impact: Eco-friendly cleaners free of VOCs and harsh solvents help reduce environmental harm and keep your outdoor space safe.
- Additional Protection: Some products provide UV protection or stain repellents after cleaning, extending the look and life of your deck.
By comparing these considerations with your deck’s condition, surface type, and maintenance routine, you can select a cleaner that effectively restores your Trex deck’s appearance and structural quality.