![Insta-test PRO 400+ Test Strips](http://hottubspasource.com/cdn/shop/files/E1842_{width}x.jpg?v=1717984739)
- Measures Free and Total Chlorine OR Bromine, Alkalinity and pH.
- Geared for pool owners with free and total readings, with extra long strips.
- Insta-Test's 2 second results with 100 count of strips!
- Also make sure to check out their awesome Pool & Spa Owner's Guide.