Why is My POOL Still GREEN, Even After Shocking? (And How to Fix It) | Swim University

The Pool Care Cheat Sheet (Free): https://swimu.com/cheatsheet The Pool Care Handbook: https://swimu.com/book The Pool Care Video Course: https://swimu.com/poolcourse The Pool Care App: https://swimu.com/poolapp Swim University makes pool and hot tub care easy for millions of homeowners. 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. This is the reason we created Swim University. Our Recommended Pool Supplies: https://swimu.com/supplies Need more pool help? Go here: https://swimu.com/youtube Can’t seem to get rid of algae in your pool? Adding a double dose of shock is usually enough to kill algae and clear up green water. But what if your water is still green, even after shocking? Here are FIVE common reasons why that might happen: #1. You didn’t add the right amount of shock or you added it the wrong way. #2. Your pH or CYA is out of range. #3. You’ve got hidden algae spores on your surfaces and inside your filter. #4. You’re not running your pump and filter enough. #5. You’ve got copper in your water that’s turning it green – and it’s not even algae. So here’s how to solve each of these issues and get rid of green water for good. ⏰ Timestamps: 00:00 - Why is My Pool Still Green? 01:07 - #1. Add Shock Correctly 02:34 - #2. Balance pH and CYA 03:05 - #3. Remove Algae from Surfaces and Filter 03:40 - #4. Run Pump and Filter Longer 04:24 - #5. Check for Metals 05:05 - Using Flocculant 05:45 - How to Keep Algae from Coming Back