How to Remove Green Algae from Vinyl Siding – Fast and Easy at Low Cost

Often, cleaning vinyl walls involves removing ugly stains it seems daunting. But, with time, algae can build up on the outer surface. And get to homeowners in need and find the best resources to remove algae from vinyl coatings.

Why is it Important To Remove Green Algae?

As part of routine home maintenance, it’s essential to inspect your sidings for signs of wear or damage. Keep them clean to maintain this durable material’s appearance and durability. As with other exterior coatings, vinyl siding can become dirty over time due to dirt and grime. Remove most with a simple hose spray. Yet, if you see green spots during the examination, you will need to take a different approach.

What is the cause for the siding to get green?

Vinyl siding has grown in popularity for its flexibility, strength, and resistance to the elements. However, polymer materials can withstand strong winds and intense UV rays. They are still susceptible to discoloration, including green discoloration caused by the following:


Algae growth usually occurs in areas where dirt and dust accumulate as organic matter and use it as a food source. Algae can look brown or green and stay moist, detracting from your home’s appearance and spreading over time. Unlike mold, this type of growth is cosmetic, and you can remove it with minimal effort and few ingredients.


Molds occur when there is a water leakage. Once the necessary repairs or adjustments you do, mold removal can begin. Yet, since mold is difficult to remove and may need the use of raw chemicals, you should consult a professional for help.

How To Clean Green Algae?

With various solutions and methods for removing green algae from vinyl coatings, you have several options. One way is to end algae stains is to use bleach on the walls. When it comes to home care, removing and cleaning can improve the home’s appearance and the vinyl finish’s life before it needs replacement. Maintaining that kind of maintenance can be the best decision a homeowner can make.

Protect vulnerable entry points outside your home. E.g., electrical outlets, sewers, etc. By covering or sealing it with tape. Use plastic wrap for plants and landscaping near the house, and make sure to close all doors and windows.

It proves to be an excellent method for cleaning vinyl siding at home. Homeowners who use plain water to wash their walls need to clean them more often. It estimates that they need to clean it twice a year. They may need to clean more often and use only plain water to stop new algae growth.

Yet, you can do a little more cleaning with bleach. By adding a quarter of the bleach for every 5 gallons of water, the time between washes is every 9-12 months.

For homeowners who want to prevent algae formation in their homes for a long time, this method will be useful.

Many homeowners like to take the easy and direct route to blow up land in the afterlife.

Use Soft and gentle way, i.e., Garden hose or brush, to clean.

Using a garden hose or a soft-bristled brush is less damaging and easy to follow.

Many specialty vinyl-sided cleaners come in spray bottles that attach to your garden hose. I like this approach because it gives water pressure that is both satisfying and gentle to your walls.

Always follow the directions in the cleaning solution. For the most part, the process is as simple as attaching a spray bottle hose to a garden hose and also controlling the flow of the mixture of water and cleaning solution from the nozzle of a special bottle.

Homeowners can also clean their vinyl walls the old way with a soft microfiber or soft bristle towel and a bucket of cleaning solution. You can also use a bactericidal bleach concentrate.

Again, follow the cleaning solution bottle’s directions. Dilute the concentrated formula with water, then wipe your vinyl siding. Some solutions like washing the wallcoverings dry; others need you to rinse the house’s exterior first.

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Another way to clean your vinyl tiles without pressure washing is to use White Vinegar and a water solution. Starting from the top, apply the Vinegar and water solution with a long-handled washing brush.

Vinegar is almost a magic ingredient for cleaning so many different surfaces inside and outside your home. Vinegar not only treats mold and mildew on your vinyl walls but also kills the moss in your yard or between the paving stones in your hallway. It’s universal.

Suppose you have severe mold that doesn’t respond to bleach or Vinegar. This method will kill the spores so you can clean them. It also prevents the fungus from coming back by killing any mold spores present in it.

Use clove oil mixture on moldy furniture and lawn cushions. Clove essential oil takes time to work. For this method, spray the mixture on the mold stain and let it sit overnight to kill the mold. The next day, rinse the area and scrub the area with one of the cleaners mentioned above.

How to Remove Green Algae from Vinyl Siding FAQs

What kills algae on vinyl siding?

Vinegar and water are the only things needed to get rid of the algae. Even though you might attempt only using water, you will have to wash the siding more regularly in order to get rid of the algae and prevent it from growing again. When you add vinegar to the mixture, you will not have to clean your siding as frequently as you would otherwise.

How do you get green mold off vinyl siding?

A straightforward combination of vinegar and water is what most experts prescribe for mold. Vinegar is an efficient cleaning solution that eliminates mold growth on a vinyl siding when used on its own.

What kills mold better bleach or vinegar?

When it comes to removing mold, cleaning with vinegar is superior to using bleach in almost every way. Except in very specific situations, the Environmental Protection Agency does not advise using bleach to kill or eliminate mold. After the use of bleach, it is likely that “a background level of mold spores will remain” in the majority of situations.


It’s essential to watch for signs of damage or dirt. Vinyl siding builds up dirt which so treats it immediately with a little soap and water. Yet, if you notice green spots on your home’s vinyl siding. You may need to take extra steps to ensure your home is in optimal condition.

People choose vinyl wall coverings for their strength and ability. It withstands the wear and tear of external factors such as weather. If it starts turning green, it means that it is likely mold or algae. Decay often occurs when there is a water leak or flawed drainage system. If you find mold, it is tough to remove, and you need chemicals. If it’s still not out, you should seek help from a professional.

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