What Causes Cloudy Pool Water After Opening?

It’s pool opening season and you’ve followed all the necessary steps to get your pool ready but find that you just can’t seem to get your water clear.

Lucky for you, it’s not the end of the world and there are quite a few simple solutions to getting your water perfectly balanced and ready to swim in.



The best way to figure out how to clarify your pool water is to understand what causes cloudy pool water and work from there. Otherwise, you’ll find yourself wasting time and money running your filter and shocking your pool with no solution in sight.



If your backyard is landscaped with trees, hedges, or other plants, the debris that emanates from them could be the culprit of your cloudy pool water because the extra pollen and dirt may be too much for your pool filter to keep up with.



Have you been running your pump(s) non-stop, or only intermittently? If you’ve found yourself dealing with cloudy pool water after opening, it’s recommended that you continuously run your pool pump until your water clears up.



A damaged filter valve can cause unfiltered water to circumvent into your pool. Make sure to carefully follow your pool’s safety instructions to properly check for any valve parts that are damaged.



Neglecting to regularly test your water can be hazardous. A properly performed water test can help you balance your cyanuric acid, total alkalinity, calcium and pH levels and clear your cloudy pool. The most effective way to test your water is with the use of a digital test kit like pHin.



Perhaps it’s been a while since you’ve changed your filter’s sand or cartridge. Filter sand needs to be changed every 5-7 years, while filter cartridges require a change every 2-3 years.


As promised, most of the solutions to your cloudy pool water woes are inexpensive and easy to implement, helping you get back to enjoying your swimming pool as quickly as possible.