How Long For Pool Water To Turn Blue? [Expert Guide!]

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Having a pool in your backyard is great for relaxation and fun in the summertime, but not so great if you need to worry about pool water turning blue. Luckily, there are ways you can prevent this from happening and still enjoy your pool without needing to be worried about your pool water getting too dirty. In this article, we will discuss the various factors that could cause your pool water to turn blue and how to prevent this from happening. It will also discuss some of the advantages of having a blue pool.

Why Does Pool Water Turn Blue?

According to the experts at, when exposed to sunlight and air, white and blue waters become unstable and can turn into a breeding ground for algae and bacteria. When these organisms reach a certain size, they will begin to consume oxygen at a rate faster than the rate being produced by plants, animals, and microorganisms in the water. Since the oxygen in the air is also being depleted, the danger of toxins being concentrated in the water also increases. Some blue substances that appear in the water are extremely toxic and have been known to cause death in humans and other animals. Some of the toxins that can appear in your pool water are trichloroethylene, PCBs, pesticides, and heavy metals such as copper and lead.

If you want to keep your pool clean and its water clear of these dangerous substances, then you need to prevent it from turning blue in the first place. The main reason for this is straightforward: if you get rid of the blue color in your pool by treating it with chemicals, then all the toxins mentioned above will also be removed. The good news is that this can be prevented by taking a few simple measures.

How Long For Pool Water To Turn Blue?

The exact number of hours or days that it will take for your pool water to turn blue will depend on a variety of factors, including the size of your pool, the amount of sunlight and air that it gets, and the type of chemicals that you use to treat it. The bigger your pool, the faster it will turn blue. However, if you clean it regularly with disinfectant and salt water, then it will stay clear of algae and bacteria for a longer period of time. There are also products on the market that can prevent algae and bacteria from growing in your pool, which will extend the time before it turns blue. It is also vital that you monitor the water for changes so that you can react accordingly and keep your pool clean for a long time.

To give you an idea of how long it will take for your pool water to turn blue, here are some examples:

  • For a 6-foot x 6-foot pool, it will take about 2 weeks for the water to turn from clear to a light shade of blue
  • For an 8-foot x 8-foot pool, it will take about 4 days
  • For a 10-foot x 10-foot pool, it will take about a week
  • For a 12-foot x 12-foot pool, it will take about 3 days

These are approximate figures, and they are based on a number of factors. Your pool will of course be different since it will be determined by the depth of its end and the surrounding environment. Also, the color of your pool will depend on the type of lighting that you use around it and if any lighting is directly overhead. All of this will affect the color that it turns to so be sure that you observe it for a while before you make any judgments.

What Are The Advantages Of A Blue Pool?

Apart from looking cool and matching the theme of your house or pool deck, having a pool that is blue is a great way to add class and elegance to your outdoor space. Not only does it make a relaxing and soothing statement, but there are also several advantages to having a blue pool.

The first advantage is that it is a statement piece that will make a big impact on your visitors. Many people will ask about the color of your pool, so you can say that it is either an exquisite piece of art that they will admire, or that it is an indication that your pool cleaner has finally arrived. Either way, it will be a statement worth making.

The second advantage to having a blue pool is that it allows your pool water to be more easily seen from the outside, which means that it is easier for people to monitor how much chlorine is in the water and whether or not it needs to be adjusted. Also, since the water is more visible, it is easier for children and pets to drink from it. Chlorination is also much easier to do with blue pools, especially since they are more stable than white or light blue pools. Finally, when it comes to cleaning, it is easier to see whether or not there is an accumulation of algae or bacteria in the water since it is more visible.

How Do I Prevent Pool Water From Turning Blue?

To prevent your pool water from turning blue, you need to keep it clean by regularly cleaning it with the proper amount of chemicals and by testing the water in order to determine when it needs to be cleaned again. To do this, take the time to learn how to use the equipment that you will need for testing the water. Some of these pieces of equipment are very expensive, so make sure that you are prepared to spend the money necessary to purchase them. Once you have done this, you can sit back and relax knowing that your pool water will stay clean for a long time.

If you are looking to add a little class to your pool area, then a blue pool is an excellent option to consider. Not only does it make a relaxing statement, but it also has several advantages associated with it. Make sure to consider all of these factors before making a decision, as they could all affect the way that your pool room will look and function.

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