Uploaded July 2026 | Updated September 2026, 2 days ago
The Pool Care Handbook: swimu.com/book
The Pool Care App: swimu.com/poolapp
The Pool Care Cheat Sheet (Free): swimu.com/cheatsheet
The Pool Care Video Course: swimu.com/course
So you’ve tried everything. You've shocked your water. You've balanced the chemicals. You've run the filter for hours. And your water is STILL cloudy or STILL green. What is going on? There are SEVEN reasons your pool won’t clear up even after all that work. Let's go through them in order.
⏰ Timestamps
00:00 - Pool Water Still Cloudy or Green?
00:32 - #1. You Didn't Add Shock the Right Way
01:58 - #2. Your pH or Alkalinity is Off
02:32 -#3. Your CYA Is Too High
03:02 - #4. You've Got Hidden Algae Spores
03:29 - #5. Your Water Isn’t Filtering Enough
04:21 - #6. You've Got a Brand New Pool
04:44 - #7. It's Not Algae, It's Copper
05:16 - Using Clarifier and Flocculant
06:04 - How to Prevent Cloudy or Green Water
Swim University is making pool care easy. Each year, we continue to help more people with water chemistry, cleaning, and troubleshooting. We know taking care of a swimming pool 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.
😎 Want to learn more about pool care? Go here: swimuniversity.com
The Pool Care Handbook: swimu.com/book
The Pool Care App: swimu.com/poolapp
The Pool Care Cheat Sheet (Free): swimu.com/cheatsheet
The Pool Care Video Course: swimu.com/course
So you’ve tried everything. You've shocked your water. You've balanced the chemicals. You've run the filter for hours. And your water is STILL cloudy or STILL green. What is going on? There are SEVEN reasons your pool won’t clear up even after all that work. Let's go through them in order.
⏰ Timestamps
00:00 - Pool Water Still Cloudy or Green?
00:32 - #1. You Didn't Add Shock the Right Way
01:58 - #2. Your pH or Alkalinity is Off
02:32 -#3. Your CYA Is Too High
03:02 - #4. You've Got Hidden Algae Spores
03:29 - #5. Your Water Isn’t Filtering Enough
04:21 - #6. You've Got a Brand New Pool
04:44 - #7. It's Not Algae, It's Copper
05:16 - Using Clarifier and Flocculant
06:04 - How to Prevent Cloudy or Green Water
Swim University is making pool care easy. Each year, we continue to help more people with water chemistry, cleaning, and troubleshooting. We know taking care of a swimming pool 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.
😎 Want to learn more about pool care? Go here: swimuniversity.com
