3. How to test the pH in your pool 10 May 2022 04:30 Updated How to test the pH in your Freshwater Swimming Pool using a standard 4-in-1 pool water test kit and your Naked Pools App. Related articles 4. Testing Copper in your pool 2. What's next now your pool is installed 1. Installation and setup of the system 1. Introduction to your Naked Pool Water Testing Tips for you and Pool Shops