How Do I Use a Bleach-clean Outdoor Deck?
The outdoor deck is a private space for entertaining and relaxing. You can host parties, barbecue dinners, or do other activities here. This also leads to the need for you to clean your outdoor deck. Cleaning your deck takes a lot of work and time. But with the right approach, you can get the cleaning done faster.
Regular cleaning ensures that your deck is free of stains and dirt. Soap, vinegar, and baking soda are common deck cleaners. It helps remove dirt and stains from wooden surfaces. In addition to this, some people use a bleach solution to clean the deck surface. So, what is a bleach solution? Is bleach suitable for cleaning wood decks?
This article will tell you everything you need to know about cleaning your deck with bleach. Read on to learn more.
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Table of Contents
What Is Bleach?
Bleach is a chemical used to remove surface stains from the deck of an item. As a common household cleaner, bleach is very effective at removing stubborn stains and killing harmful bacteria. Bleach also has whitening and brightening effects, which is why some people use it to clean wood decks.
In addition to this, bleach can also remove stains from decks or faded colors from clothes. Bleach removes stains by reacting chemically with them.
Types of Bleach
There are various types of bleach used for cleaning, such as chlorine bleach, calcium hypochlorite, and hydrogen peroxide. There are two main types of bleach to choose from when deciding whether bleach can be used to clean a deck: chlorine bleach and oxygen bleach.
Chlorine Bleach
Chlorine bleach contains sodium hypochlorite and is usually available in liquid and powder form. Because chlorine is so effective at killing bacteria, some homeowners use diluted chlorine bleach to remove mold from their decks. Some even use it to clean furniture to make it look clean and tidy.
Oxygen Bleach
Oxygen bleach is another bleach that is gentler than chlorine bleach. It removes stains from clothes. Some homeowners also use powdered oxygen bleach to remove stains from wood decks.
How to Clean a Deck with Bleach
Step 1: Preparation
Start by doing the preparation. In preparation, you will want to have all the materials you need. You can also hire extra helpers if needed. Here is the equipment you will need:
- Safety goggles
- Gloves
- Boots
- A garden hose
- A bucket
- A broom
- Deck brush
- Bleach (chlorine or oxygen)
- Water
- Ammonia-free liquid soap
- Paint stick
You can buy these things at the hardware store, but chances are you already have most of them at home.
Step 2: Take Everything Off the Deck
A deck is a great place to relax, enjoy the view, and take in the ocean breeze. You probably have a lot of furniture and other things on your deck. You should remove everything before you start. If the deck is full of stuff, you may need to ask family and friends for help.
You may want to take the opportunity to do a quick check of the deck. If used regularly, the deck will wear out over time. You should use this time to inspect the deck for any damage so that you can make repairs to bring it back to its original condition.

Step 3: Clean the Deck Surface of Debris and Dirt
Most people’s decks are probably covered in dust and other things that have fallen from nearby trees. Use a broom to gently wipe away leaves and dirt from your deck. Don’t be afraid to go to the trouble; you’ll have everything removed in no time.
Next, use an outdoor hose to spray water onto the deck to break up clumps of dirt and dust. A hose with adjustable pressure works better, but don’t put too much pressure on the deck or you’ll stain it. For best results, spray the deck with medium pressure.
Step 4: Clean Up Dirt and Algae
The main things that foul the deck are dirt and algae. Bleach will help you remove them. In a bucket, start by mixing 5 gallons of water with 2 cups (about 400 grams) of oxygen bleach or 2 ½ cups of liquid chlorine bleach. Use ½ cup chlorine bleach or ⅖ cup oxygen bleach per gallon of water.
Stir the mixture with a deck brush until uniform. Spread the solution evenly over the entire deck and scrub for five minutes to allow the foam to form. Next, let the foam sit for another five minutes, but don’t let it dry out. This way, it will absorb any dirt and algae on the deck. Then, use an outdoor hose to clean the deck of dirt and algae.
Always wear safety glasses and gloves when mixing bleach and warm water. Bleach is irritating and can itch and burn if it gets on your skin. Also, wash off all soap before drying the deck.
Step 5: Remove Mold and Mildew
Mold and mildew spots may mean your deck isn’t as clean as you’d like it to be, even if you’ve scrubbed it. Warm water and bleach may not be enough to remove these spots. To remove these spots, clean the area with a thick bleach solution.
Add a few drops of water to a tablespoon of oxygen bleach. Add the two together and stir well until a thick paste forms. Apply the paste to the moldy area and wait 15 minutes before scrubbing it clean.
You can also use borax, which is a white powder that works well to remove stubborn spots. Mix one cup of borax with bleach and water, then scrub it off.

Step 6: Let the Deck Dry Thoroughly
Once you’ve cleared the mold from your deck, you can take a break and wait for the deck to dry. As mentioned earlier, be sure to rinse it off and not leave foam residue on the deck. These white spots may look bad, but they are easy to remove, simply wipe them off with a damp cloth.
Once dry, you can put all your furniture back on the deck and enjoy the fruits of your labor. To recognize your hard work, you can even host a barbecue dinner.
What to Do Before Cleaning Your Deck
Although cleaning your deck is simple, if you make a mistake, you could ruin your efforts. Keep these important things in mind before cleaning your deck.
Don’t Use Too Much Chlorine Bleach
You can use chlorine bleach to clean your deck, but only if you use the right amount. Mixing chlorine bleach into one of these solutions can release dangerous fumes. Chlorine bleach also leaves white spots and can damage the lignin in wood decks, making them fuzzy. However, if the right amount of chlorine bleach is used, it can clean the deck and kill mold.
Avoid Using a Pressure Washer
If you have a pressure washer, you may want to use it to clean your deck. After all, it’s the best way to clean your deck quickly, and it works. On the other hand, a pressure washer may put too much pressure on the deck.
The intense pressure may change the color of the paint and lift up wood fibers, making the deck look blurry. You should not use a pressure washer unless this is the result you want.

Should I Hire a Professional to Clean My Deck?
Cleaning a deck is one of the hardest things to do around the house. If you have limited time or are not up to the task, you may want to hire someone to clean your deck for you. Hiring a professional usually has the following benefits:
For Your Safety
When you use strong cleaning products such as bleach, your health and safety are at serious risk. For your safety, it is better to let someone else do the dirty work. This way, you can protect your health and safety and get your deck cleaned up at the same time.
Helps You Save Time and Energy
Cleaning a deck can be hot and take a long time. Letting a professional do it can save time and hassle. This way, you can do more important things than cleaning your deck.
Better Results
We all know that cleaning your deck is not something to get excited about. It takes a lot of work and you may not want to do it. If the cleaning is not done properly, the deck will still be dirty.
If you want your deck to be spotless, they are the best people to clean it. They have years of knowledge, state-of-the-art tools, and a commitment to doing a great job. Therefore, if you want a really clean deck, you should hire a professional cleaner.

Avoid Damage
When cleaning your deck, you may accidentally use the wrong tools and materials. This can seriously damage the deck and repairing the damage can cost a lot of money.
Seeking the help of professionals is a great way to avoid such damage. They have been cleaning decks for years and are very good at the job. They will not scratch or damage the deck. If they damage your deck, they will gladly cover all the repair costs.
Saves You Money on Supplies and Tools
Professional cleaners bring their own tools and materials, so you don’t have to buy and take care of them. This allows you to focus on other things. Hiring a professional will give you a clean deck without having to spend extra money on tools. Instead of wasting money on cleaning materials and tools, hire professionals. Their work will be worth every penny.
Protecting the Environment
People waste a lot of water and use chemicals that are harmful to the environment when cleaning decks because they are uninformed. To protect the environment, most professionals clean in a way that is safe for the environment and use chemicals that are not harmful. If you care about nature and the environment, you need to hire skilled cleaners.
To Summarize
Cleaning a deck with bleach isn’t difficult, but it does take a lot of time and work. The tips above should help you clean your deck easily and keep it looking beautiful. Don’t forget that you can also hire a professional if you are not up to the task.

Frequently Asked Questions
Can I Use Bleach to Clean My Deck?
You can use the correct bleach to clean your deck. Sodium hypochlorite is the main ingredient in bleach and it contains chlorine. Nonetheless, you should stay away from calcium hypochlorite. This is because calcium hypochlorite is much more potent and can damage your washing machine and kill nearby plants. If you use too much sodium or hypochlorite for cleaning, it can leave a white film.
Bleach should only make up 2% of your cleaning solution so it doesn’t leave white spots on your deck or harm nearby plants. You can use oxygen bleach instead, which is less concentrated but requires more bleach to clean well. Bleach will only harm the wood on your deck if you use untreated wood.
Can I Bleach My Deck Before I Stain it?
You can bleach a deck, but this is not enough to prepare the deck for painting. As a cleaner, bleach is what you should use on your deck, so don’t assume it will clean itself. You will still need to lightly clean the deck to remove dirt, mold, and algae.
Is It Safe to Use Bleach on Wood?
Both chlorine bleach and oxygen bleach can be used to clean wood. Bleach removes and kills mold and mildew from wood. Mold and other fungi can grow in wood because of the microscopic holes in the wood. Bleach can get into these cracks and kill the mold. Although household soaps and detergents can clean wood, they do not kill mold and fungi.
How Do I Use Bleach to Clean My Wood Deck?
Place ½ cup of bleach in a bucket with 1 gallon of warm water. This will clean the wood deck. Apply the solution to the deck and clean it off with a deck brush. Then, rinse it off with clean water. After that, wash the deck with a solution of water and detergent to remove spots that won’t wash away.
Remember, never mix bleach with other cleaners. This is because the enzymes and fluorescents in other cleaners may react with the bleach. This process has the potential to weaken the detergent and make it less capable of cleaning. A better cleaning method is to use bleach first and then the detergent solution.
