Uploaded June 2026 | Updated September 2026, 16 hours 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
Is your CYA too high? Let’s say you tested your water and your CYA is sitting at 80 or 90 — or maybe it’s literally off the chart. There’s probably one thing causing it, and it’s your chlorine tablets. Here's what's going on with your CYA, how to lower it, and how to stop it from rising again in the first place.
⏰ Timestamps
00:00 - High CYA in a Pool
00:25 - What Causes High CYA?
01:43 - Why is High CYA a Problem?
02:51 - How to Lower CYA
04:50 - Do CYA Reducers Work?
05:20 - How to Prevent High CYA
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
Is your CYA too high? Let’s say you tested your water and your CYA is sitting at 80 or 90 — or maybe it’s literally off the chart. There’s probably one thing causing it, and it’s your chlorine tablets. Here's what's going on with your CYA, how to lower it, and how to stop it from rising again in the first place.
⏰ Timestamps
00:00 - High CYA in a Pool
00:25 - What Causes High CYA?
01:43 - Why is High CYA a Problem?
02:51 - How to Lower CYA
04:50 - Do CYA Reducers Work?
05:20 - How to Prevent High CYA
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
