Check₂O Pool & Spa 3-in-1 test strips (free chlorine, pH, alkalinity)

You can save money by buying this product in a box of 12 !

Check₂O 3-in-1 test strips are designed to easily measure the three essential parameters for spa and pool maintenance: alkalinity (0-240 ppm), pH (6.4-8.4), and free chlorine (0-10 ppm). With a simple dip in the water, they provide instant results, allowing you to quickly adjust treatment if needed.

For consistently balanced and healthy water, it is recommended to test your spa after each use or at least twice a week.

Contents
50 test strips

Part numbers
Johnson Analytica: 303.001