Why is My POOL WATER Still CLOUDY? (and How to Fix It) | Swim University

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Not sure why your pool water is still cloudy? Can’t seem to keep it clear? Well, there are a few reasons that your cloudy water won’t go away:
#1. Your pH or calcium hardness is too high
#2. Your filter needs cleaning or it’s got poor water flow
#3. You don’t have the right balance between chlorine and CYA
#4. The way you’re adding chemicals to the water is actually causing the cloudiness

So there are a lot of factors that can cloud things up. But luckily there’s a straightforward fix to each of these problems. And once you solve the root of the issue, usually all it takes is a good vacuum and some clarifier. Here’s a step-by-step guide on how to clear up your cloudy pool water once and for all.

⏰ Timestamps:
00:00 - Why Your Pool is Still Cloudy
01:00 - Test Your Water for These Issues
01:13 - #1. High pH, Alkalinity, Calcium Hardness
01:27 - #2. Low Chlorine
01:37 - #3. Wrong Ratio of CYA to Chlorine
02:08 - How to Adjust These Levels
02:25 - What if Water is Balanced and Pool is Still Cloudy?
02:35 - #1. Filter Issues
03:09 - #2. Debris
03:20 - #3. Shock Caused Cloudiness
03:34 - #4. Added Chemicals in Wrong Order
03:56 - #5. Added Too Much of One Chemical
04:15 - #6. Not Adding Chemicals Slowly
04:48 - How to Clear Up Cloudy Water

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Swim University has made swimming pool and hot tub care easy for more than 10 million homeowners. And each year, we continue to help more people with water chemistry, cleaning, and troubleshooting. We know taking care of a swimming pool or spa can be difficult. And it’s hard to find a trusted source of information. We get it! This is the reason we created Swim University.

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