Stains in your pool are not bizzare rather it is a common phenomenon. Different types of stains will give you different hard times.

For example, last night you had a cocktail party with your friends. Other foods and beverages are also out there. Here first off, you will need to identify the different stain types then treat them well either chemically or naturally.

Let’s face it and get to know how a vinyl pool liner tends to be getting dirty or even dirtiest one. By the way, even though you are not messing up with your vinyl pool liner, gradually algae will come to have fun.

However, it is not that hard to get rid of. Also, it indicates to you and tells you that it is a high time for inspecting the pool’s chemical levels, filters. Maintaining the pH level is a part of this story, but no worries, you will help you out to get rid of them.

How to remove algae stains from vinyl pool liner

To remove any algae stains, first, you need to know the type of stains on your vinyl pool liner. Some algae may give a greenish view, whereas others may turn the vinyl pool liner black, pink, or even yellow. The cleaning methods may be the same, but we should confuse any algae stains with rust, mud, or anything else.

Know the algae type first

Algae comes in 3 basic forms. For a complete algae stain removal, you will need them to know all of them:

Green algae

These algae form in pools when rain waterfalls open and you don’t clean the water. Additionally, lack of care can also induce green algae. They leave light greenish stains on the vinyl pool.

Pool owners often complain about the green, slimy algae that accumulates at the bottom of their pool. These pesky pests cling to the walls and floor when water contains high levels of sunlight exposure, warm temperatures and higher pH values. The vinyl pool vacuum has become a more popular way to keep algae from growing in vinyl pools. The pool vacuum is the latest invention on the market, and it’s making waves for cleaning up green algae.

Black algae

Black algae is just green algae filled with bacteria, and no cleaning is done for years. You may have to remove all the water from the pool first and then clean the pool liner. To get rid of black algae, you need to clean your pool regularly.

Yellow algae

Yellow algae may sneak its way from the beach via your clothes or feet. Most of the time, they cluster on the pool liner and can also turn the pool water yellow. Don’t worry, as they will hardly harm you.

Pink algae

Pink algae aren’t really algae. They are a form of bacteria that makes a colony on pool pipes and also end up on the liner. These are often dangerous for your health, and you need to clean them as soon as possible.

Step by step algae stain cleaning process:

Things you will need to get the work done:

  • A Nylon brush/scrubber
  • Detergent/soap/Sodium bisulphate/shampoo
  • Chlorine
  • Protecting gear (Safety glasses, gloves, and proper clothing)

Algae stain from vinyl pool liner cleaning process:

  • Take away all the water from the pool.
  • Wear necessary protecting gear such as gloves, safety glasses, etc.
  • Now, remove the remaining debris and organic matter from the vinyl pool liner.
  • Sprinkle some detergent, soap, shampoo on the stains and leave it there for a couple of minutes.
  • Use a Nylon brush or a scrubber on the vinyl liner to remove any stains.
  • Repeat the process until all the stains are gone.

Note: Don’t use a metal scrubber or scrub too much. You may end up scratching the soft vinyl liner.

How to remove algae stains from pool walls

Algae stains are a pain in the neck if they form on pool walls. Here are the steps you can follow:

  • Start by removing all the water from the vinyl linear.
  • Put on some rubber gloves and protective glasses.
  • Mix some detergent/soap/shampoo in a sprayer.
  • Now, spray it on the mixture on the pool walls and wait for 20-30 minutes.
  • Using a scrubber, try removing the stain marks.
  • Repeat the process until the pool wall is totally clean.

How to clean pool liner without draining

You can clean the pool liner without draining it as well. Just add some chlorine to the pool, and wait for it to set. Now, use a scrubber or a broom and scrape away all the debris and dirt. Always keep the water chlorinated, and don’t let algae get the best of your pool.

How to clean ring around pool liner

Cleaning the ring around the pool liner is exactly the same as cleaning the pool liner. Remove all the water first. Now, use a nylon scrubber with some soap or detergent to scrape off the stain marks. Repeat a few times and wallah.

How to remove rust stains from vinyl pool liner

To remove rust stains from the vinyl pool liner, spray a few ounces of vinegar or something acidic on it. The vinegar or acid will dissolve the rust stains within a few minutes. Keep it long enough, and you will be left with a crystal clear vinyl pool liner.


How do you clean the outside of a vinyl pool?

You can clean the outside of a vinyl pool with some soapy water. Give it a good scrub with a nylon or soft fabric brush. If you see rust marks, spray some vinegar and keep it there until you see a difference. Wash everything and wallah.

Can you put bleach in a pool instead of chlorine?

You can put bleach in a pool instead of pool chlorine. Though the names are different, they have sodium hypochlorite as their active ingredient. However, the stronger bleach you take, the less you need to put in a pool.

Is Liquid chlorine good for vinyl pools?

The answer seems tricky at first. Whether it be liquid chlorine or a solid chunk, the way chlorine cleans the pool is the same. Liquid chlorine will just mix better and faster, whereas tablet chlorine will take a few minutes to dissolve.

End note

Hope you guys enjoyed the ways on how to clean algae stains from the vinyl pool liner. For a head start, all cleaning methods include some form of the cleaning agent.

You can add detergent, soap, shampoo, or anything you have at hand. But whatever you do, don’t use a metal scrubber. Always do the vinyl pool liner with a nylon or a soft fabric scrub.

Who would want scratch marks, right?

This is all for today. Let’s hit the shack. Have a good day.

Emma Chen

Emma Chen holds a degree in Public Health from the University of Washington and has dedicated 13 years to promoting healthy and sustainable cleaning practices. Since joining us as a freelancer in 2020, Emma has shared her expertise in non-toxic cleaning solutions, indoor air quality, and allergen reduction. Her experience includes working in community health programs and as a health educator, which shows in her writing. Emma is a yoga instructor in her free time and participates in community clean-up drives.

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