Top 5 Wood Fence Cleaners: A Comparative Review for Homeowners

Richard Reynolds • March 11, 2025

Maintaining a wood fence can feel like a daunting task, especially when dirt, mildew, and weathering take their toll. Choosing the right wood fence cleaner is key to restoring your fence’s natural beauty without damaging the wood. In this in-depth review, we’ll explore five popular wood fence cleaners available on the market, comparing their ingredients, effectiveness, ease of use, and cost. Drawing from user feedback and expert insights, we’ll break down the pros and cons to help you find the best option for your needs. Whether you’re a seasoned DIYer or a first-time homeowner, this guide has you covered.


Hiring a Pro: The Easiest Way to Keep Your Fence Clean

Before diving into DIY options, consider this: hiring a professional with insurance and experience is often the simplest way to maintain your wood fence. Pros bring specialized tools, proven techniques, and liability coverage, ensuring a spotless result without the hassle or risk of damage. While it’s pricier than a DIY approach, it’s a stress-free solution for busy homeowners. Click here to get your free professional quote.




Why Choosing the Right Wood Fence Cleaner Matters

A wood fence is an investment in your property’s curb appeal and privacy. Over time, exposure to moisture, UV rays, and organic growth like mold can degrade its appearance and structure. The right cleaner not only removes grime but also preps the wood for staining or sealing, extending its lifespan. With so many products out there, from eco-friendly formulas to heavy-duty solutions, how do you decide? Let’s dive into our top five picks and see what sets them apart.




1. Simple Green Oxy Solve Deck and Fence Cleaner


Overview

Simple Green Oxy Solve is a pressure-washer-friendly cleaner that uses peroxide to tackle tough stains. It’s marketed as a versatile solution for decks, fences, and other outdoor surfaces.


Ingredients

  • Key Component: Hydrogen peroxide (oxygen-based cleaner)
  • Other: Surfactants, water
  • Notable: Free of harsh chemicals like bleach or ammonia


Effectiveness

This cleaner excels at lifting dirt, grease, and mildew stains. Users report great results on moderately weathered fences, though stubborn graying may require a second application or a brightener afterward.


Ease of Use

Available as a concentrate, it’s easy to dilute (1:10 ratio with water) and apply with a sprayer or pressure washer. No scrubbing is needed for light stains, making it a time-saver.


Cost

  • Price: Around $20 for a 1-gallon concentrate (covers up to 6,400 sq. ft. when diluted)
  • Value: Affordable per square foot, especially for large fences


Pros

  • Eco-friendly and bleach-free
  • Works well with pressure washers
  • High coverage for the price


Cons

  • Less effective on heavily weathered or grayed wood
  • May need multiple passes for deep stains


Best For

Homeowners with large fences who want an affordable, environmentally safe option.


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2. Wet & Forget Outdoor Cleaner


Overview

Wet & Forget is a no-rinse, spray-and-leave cleaner designed to remove moss, mold, mildew, and algae over time. It’s a favorite for low-effort maintenance.


Ingredients

  • Key Component: Alkyl dimethyl benzyl ammonium chloride (a quaternary ammonium compound)
  • Other: Water, surfactants
  • Notable: Biodegradable and phosphate-free


Effectiveness

This product shines on organic growth like algae and mildew, with results visible in days to weeks. It’s less effective on dirt or grease and isn’t ideal for immediate transformations.


Ease of Use

Simply mix with water (1:5 ratio), spray it on, and walk away—no scrubbing or rinsing required. It’s perfect for those who prefer a hands-off approach.


Cost

  • Price: About $30 for a 1-gallon concentrate (covers 2,000–2,250 sq. ft.)
  • Value: Moderate; higher cost per square foot than some competitors




Pros

  • Minimal effort required
  • Safe for plants and pets when used as directed
  • Long-term stain prevention


Cons

  • Slow results (days to weeks)
  • Not suited for heavy dirt or grease


Best For

Busy homeowners who want a low-maintenance solution for organic stains.


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3. Krud Kutter Deck & Fence Cleaner


Overview

Krud Kutter is a concentrated cleaner with a proprietary SPOREX blend, designed to break down stains and prep wood for staining.


Ingredients

  • Key Component: SPOREX (proprietary stain remover)
  • Other: Surfactants, water
  • Notable: Non-toxic and biodegradable


Effectiveness

It’s highly effective on dirt, grime, and mildew, with some users noting it lightens weathered wood slightly. For best results, pair it with a deck brightener on heavily aged fences.


Ease of Use

Dilute at a 1:10 ratio and apply with a sprayer or brush. Light scrubbing may be needed for tough spots, but it’s straightforward overall.


Cost

  • Price: Around $15 for a 1-gallon jug (covers up to 2,000 sq. ft.)
  • Value: Excellent bang for your buck


Pros

  • Affordable and widely available
  • Strong stain removal
  • Safe for most wood types


Cons

  • May require scrubbing for stubborn stains
  • Doesn’t brighten as much as advertised


Best For

Budget-conscious DIYers looking for a reliable all-purpose cleaner.


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4. DEFY Wood Cleaner


Overview

DEFY Wood Cleaner is a powdered concentrate formulated to clean and prep wood surfaces for staining, targeting dirt, rust, and tannin stains.


Ingredients

  • Key Component: Sodium percarbonate (oxygen bleach)
  • Other: Sodium metasilicate, water-soluble additives
  • Notable: Eco-friendly and bleach-free


Effectiveness

This cleaner tackles light dirt and organic stains well, with solid performance on rust and leaf stains. It’s less aggressive than chemical-heavy options, so deep weathering may need extra effort.


Ease of Use

Mix the powder with water (1 lb. per gallon), apply with a sprayer, and rinse off after 10–20 minutes. Some scrubbing may be required, but it’s manageable.


Cost

  • Price: About $25 for a 4-lb. container (covers 800–1,000 sq. ft.)
  • Value: Decent, though coverage is lower than liquid concentrates


Pros

  • Preps wood effectively for staining
  • Environmentally friendly
  • Good for rust and tannin stains


Cons

  • Powder mixing can be messy
  • Smaller coverage area per dollar


Best For

Homeowners planning to stain their fence after cleaning.


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5. Star brite Non-Skid Deck Cleaner


Overview

Originally designed for decks, Star brite’s cleaner works wonders on wood fences, with a PTEF coating to repel future stains.


Ingredients

  • Key Component: Chelating agents
  • Other: PTEF (polytetrafluoroethylene), water
  • Notable: No harsh acids or bleach


Effectiveness

It lifts dirt, mildew, and light grease effectively, leaving a protective layer. Users love its stain resistance, though it’s not a deep cleaner for heavily weathered wood.


Ease of Use

Apply full-strength with a sprayer or brush, let it sit for 2–3 minutes, and rinse. It’s quick and simple, with no dilution needed.


Cost

  • Price: Around $18 for a 32-oz. bottle (covers 600–800 sq. ft.)
  • Value: Moderate; smaller volume increases cost per use


Pros

  • Adds stain-repellent coating
  • Easy application
  • Made in the USA


Cons

  • Smaller bottle size
  • Less effective on old, gray wood


Best For

Homeowners seeking a cleaner with added protection for newer fences.


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How to Choose the Best Wood Fence Cleaner for Your Needs

With these options in mind, how do you pick the right one? Here are some factors to consider:

  • Type of Stain: For mildew or algae, Wet & Forget or Simple Green Oxy Solve are top choices. For dirt and grease, Krud Kutter or Star brite shine.
  • Fence Condition: Newer fences benefit from Star brite’s protective layer, while weathered ones may need DEFY or Krud Kutter paired with a brightener.
  • Budget: Krud Kutter offers the best value, while Wet & Forget is pricier but low-effort.
  • Eco-Friendliness: Simple Green and DEFY stand out for their green formulas.




Expert Tips for Cleaning Your Wood Fence

As someone who’s written extensively on home improvement, I’ve gathered insights from pros and users alike. Here’s what experts recommend:

  • Test First: Apply cleaner to a small, hidden section to ensure it doesn’t discolor your wood.
  • Use the Right Tools: A pump sprayer or pressure washer (on low settings) can save time.
  • Follow Up: After cleaning, consider a brightener (like oxalic acid) for gray wood, and seal or stain to protect your fence long-term.




Final Thoughts

Finding the best wood fence cleaner depends on your specific needs—whether it’s affordability, ease, or eco-friendliness. Krud Kutter offers unbeatable value, while Wet & Forget is perfect for hands-off cleaning. Simple Green and DEFY cater to eco-conscious users, and Star brite adds a protective edge. Whichever you choose, a clean fence boosts your home’s appeal and durability.


Have a favorite cleaner or tip? Share it in the comments below!




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