Insta-Test (Black), Copper, pH, and Alkalinity Test Strips

For testing Pristine Blue, Natures Pure Purifier, Natures Pure Ionizer, and other copper based pool chemicals. 

• 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.