Pool Care

How To Get Rid Of Pool Algae

Algae in the swimming pool could be the most worsening part of owning one as your pool always get the green water even if you clean the pool weekly. You are not alone because most of the pool owners often have this state in their pools and they wonder “how to get rid of pool algae”.

Before eliminating the pool algae, you should discover the reasons why do algae visit your pool firstly, and you will recognize the solutions later. Algae enable to come from the outside environment such as the rain, the wind or even human could be a perfect reason. Now, you should find out the solutions to eliminate and prevent the next visit time it.

Three core types of swimming pool algae

To make the solutions easier to undertake, algae have three main kinds in the pool water which you should realize beforehand.

The green pool algae

Green algae are probably the most popular of algae in the swimming pool as it comes from the lack of true sanitation and oozing.

Green algae freely could float in the water pool that leads to the water is green and you sometimes find out it holds on to the bottom or on the wall in the pool.

The good news for solving this alga is easier than you might think as you use a vacuum or a brush and kick it out of your pool.

Algae ought to mix to the water, and then you should change the swimming pool water. On the one hand, it still arrives in a small area in the pool only, so you easily tackle.

The yellow algae (mustard algae)

The yellow one often clings on the walls and lives in the dark area or the area that do not have the sunlight.

Because the color is yellow and resembles a mustard color, we assume it could be sand or pollen which could collect in the swimming pool water.

In spite of the common algae, the bad news is you will consume much time and chemicals to remove it completely in your cleaning process for the pool.

The black algae

Though the black algae are not popular, the bad news is it is one of the most difficult algae types to diminish and prevent their appearance in your pool.

The black algae have a strong defense structure and hard roots to destroy, so it could come back even though your best automatic pool cleaner the pool routinely.

The black algae will get the dark or black spots on the walls which you are able to see one part or small roots as a protective covering of them only.

To get rid of this type, you need to combine many solutions like the brushes, strong chemicals and shocking pool.

How to get rid of the pool algae?

Use the chlorine for pool algae

When you see the pool water has changed from white to green, yellow or black and these spots cling the walls or on the bottom of the pool, this is time to move out, clean and prevent.

With the green algae, you should use the chlorine but the yellow and the black ones are more difficult which you need to increase the amount of chlorine by using the shocking method for the pool. ( Reasons Why People Love the Best Above Ground Pool )

Use the brush and the vacuum cleaner

You will not be successful in the cleaning process if you do not get the cleaning tools like the brushes, the best robotic pool cleaner for inground pools and the best pool cleaner for algae.

The vacuum cleaner will delete the algae clumps in the walls and on the floor, but the cleaner could not remove the algae and the dirt in the edges of the floor and the walls.

In this situation, you should take a brush instead. Moreover, you could keep an eye on the steps, behind ladders, crannies and other nooks as these places will also the possible algae growing.

On the flip side, you also should draw attention to the materials of the brush and the pool. Steel brushes are suitable for concrete surfaces and nylon brushes could work on vinyl areas of the pool.

Read the chemical labels carefully

To understand the safety standard of the chemicals will be used, you should read the information on the labels carefully.

Furthermore, you will know the dose of using and how to use it that is available for the algae category as well as the local weather.

Do not forget to take the eye protection, gloves and another layer of the clothing to protect parts of your body. Wash hands and change or remove the outside outfits after finishing.

Test the pH level

Why do you need to test the pH level? Because you will know the state of the pool and the possible situation of the algae development.

If you see 7.6 in the test kit, you will know your pool has the algae. Then, add the pH – reduce substances like sodium bisulfate in order to kill the algae.

Wait for 15 or 20 minutes as the water has the time to absorb new substance and check the pH level again. From 7.2 to 7.6 is a great range of the pH level for swimming pool water.


If you are not lucky as the black or yellow algae develop, then you could use the shocking method regularly as well as combine to other cleaning and filtration solutions. Hence, getting rid of pool algae could not be a nightmare as you treat right ways.

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