What Makes Pool Water Feel Slimy? [Expert Review!]

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When you take a refreshing dip in a pool, the water feels good against your skin. However, if you happen to be located near or in an area where there is some form of pollution in the water, you may experience slimy sensations while swimming. While these aren’t harmful, they are definitely an unpleasant surprise!

There are a number of things that can make pool water feel slimy. This mostly has to do with the presence of chemicals and debris in the water. When you’re not expecting it, the water can feel slimy even if the pool is fairly clean. This is because the water still feels damp and is thus more likely to leave a slimy film on your body. The same goes for when it rains or during particularly hot periods where the water is much more likely to be dirty. This is why you need to check the pool water often for chemicals and floating debris.

Chemicals In The Water

Even after the water has been treated and cleaned, it may still contain traces of chemicals that are harmful to your health. Though it is unlikely, it’s still possible for swimming pools to become contaminated with various chemicals after heavy rainfall or snowfall, as well as during the course of a flood. Heavy metals like lead and mercury are also often found in combination with chemicals in the water, posing an additional health risk when ingested. If you or your children are likely to swim in or near these types of pools, you should be especially careful and maintain a safe distance from the water’s edge while swimming.

Debris In The Water

In some cases, debris can also end up in the pool. Whether it’s a toy, a leaf, or a small twig, if you don’t know what is in the water, you won’t feel protected by the nice clean feeling that you get when entering a pool. Even small items like this can accumulate over time and contribute to the pool’s slimy feel. The debris will also make the water cloudy, further obscuring your vision while swimming.


The temperature of the water can also play a role in making it feel slimy. Like when you’re at a hot spring or beach, when the water is very warm, it will leave your body coated in a slimy film. Though this is usually harmless, it’s still something to keep in mind if you’re swimming in an area where the water is particularly hot!

Phosphates, Nitrates, And Chlorides

There are several different chemicals that can be found in excess in pool water. These include phosphates, nitrates, and chlorides. When ingested, these chemicals can cause health problems. Nitrates in particular, can contribute to health concerns like cancer. For this reason, local and state government agencies regularly test the water quality of all public pools, regardless of whether they’re for adults or children.

Nitrates and phosphates in particular accumulate as the water warms up during the summer months. This is why it’s important to check the pool water during the spring and fall seasons, particularly if you have young kids or pets that you need to keep safe during those months. Chlorides are often found in combination with the other chemicals mentioned here. These are the main chemicals that make pool water feel slimy. However, there are several others that can make the water even more disgusting. This may be due to the chemicals’ effect on various organisms in the water, or it may be caused by some specific substance that is floating in the water.


To ensure that you and your family stay healthy while swimming in a pool, you need to monitor the water quality often. This mainly has to do with chemicals that can accumulate in the water, making it more likely to cause health problems in some cases. While these chemicals are usually found in small quantities, it’s still not something to take lightly!

If you’re in an area where it’s warm all year round, or during the summer months specifically, you need to be extra careful because the water is going to be particularly warm. This means that it’s more likely for some substances to be present in excess. Even if the pool is structurally sound and has been cleaned thoroughly, if it contains some chemicals in excess, it may still feel slimy to swimmers due to the water’s temperature.

If you or your children are likely to be in contact with this type of water, you should be aware that there are various substances that can accumulate in the water and cause health problems. Though this isn’t usually the case, it’s still something to keep in mind if you’re in an area where the water is particularly hot!

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