Insta-TEST® Copper, pH, and Alkalinity Test Strips measures:

-Copper 0, 0.3, 0.6, 1, 3 ppm

-pH 6.2, 6.8, 7.2, 7.6, 8.0, 8.4

-Alkalinity 0, 40, 80, 120, 180, 240 ppm

There are 25 strips per bottle and packaged in a unique, hinged, waterproof PopTop bottle with desiccant liner that protects the test strips from moisture intrusion. 25 Strips Per Bottle