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How to Clear a Cloudy Pool

Cloudy pool water can happen overnight. It can be a hassle to deal with, especially if you don't know what caused the issue. Here are some reasons your pool might be cloudy and the correct way to fix it.

Low Chlorine Levels

A lack of chlorine in your water can lead to increased bacteria growth as well as other harmful particles in your water. Low sanitizer levels can be caused by natural debris, sweat, sunscreen, or just the sun's ultraviolet rays. To make sure your chlorine levels aren't too low, be sure to shock your pool once a week and possibly twice a week if the weather is hotter than normal.

Filtration Problems

Problems with your pool's circulation system can lead to cloudy pool water. The good news is that this is completely preventable. Make sure your circulation system is healthy by leaving your filtration system running, making sure your filter isn't clogged, and changing your filter media when needed.


Most pool owners assume algae isn't the cause of cloudy water just because the color of their water is still blue. While algae does sometimes turn pool water green, a lot of the times, it just causes water to turn hazy. Prevent algae by using an algaecide with your weekly maintenance. and make sure that all swimsuits are clean before jumping in your pool!

Water Chemistry

Another leading cause of cloudy water is unbalanced water chemistry. Having too many total dissolved solids or a high cyanuric acid reading can cause your chlorine to become ineffective, leading to a cloudy pool. You also want your free and total chlorine readings to match. When these numbers stray too far from each other, it represents a chlorine lock which can also cause cloudy pool water. The best way to keep your pool water balanced is to get your water tested weekly. Angie's retail staff will test your water and tell you what chemicals you need to add to your water down to the ounce.

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Jad Adams
Jad Adams
Aug 05, 2023

Clearing a cloudy pool is essential for maintaining a healthy and inviting swimming environment. These tips are spot-on and straightforward. Regularly testing and balancing the pool water, along with proper filtration and cleaning, will keep your pool crystal clear. Always contact the Swimming Pool Renovation company for more details regarding pools.

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