Just dip an AquaChek Yellow strip in your hot tub water for one second, and remove it immediately. You get test results in seconds! To keep your hot tub at its best, test before each use. It's also a good idea to write down your results each time you test, so you can track changes.
- Free Chlorine
- Stabilizer (Cyanuric Acid)
- Total Alkalinity
50 strips per bottle
AVAILABLE FOR STORE PICK UP ONLY