Uploaded April 2026 | Updated September 2026, 21 hours ago

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The Pool Care App: swimu.com/poolapp
The Pool Care Cheat Sheet (Free): swimu.com/cheatsheet
The Pool Care Handbook: swimu.com/book
The Pool Care Video Course: swimu.com/course

Do you know what’s staining your pool? You need to figure out what caused the stain in the first place before you jump to treating it. Different stains need completely different treatments. So here’s how to figure out what's staining your pool and how to get rid of it.

⏰ Timestamps
00:00 - Pool Stain Removal
00:17 - Types of Pool Stains: Organic and Metal
01:05 - Identify Stains by Color
02:46 - Test the Stain
03:57 - How to Get Rid of Organic Pool Stains
06:13 - How to Get Rid of Metal Pool Stains
08:55 - Prevent Pool Stains from Coming Back

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