The Insta-TEST Peroxide (Biguanide Shock) strip measures peroxide levels from 0 to 90 ppm. This test strip is a dip-n-read strip with results in 10 seconds. Each bottle includes 25 test strips packaged in a waterproof PopTop bottle with a hinged cap. The bottle has a molded desiccant liner, which protects the strips from moisture and UV light. The Insta-TEST Peroxide strip is ideal for a quick test in your water.
- Keep wet fingers out of the bottle
- Close cap tightly after removing strip
- In pools, immerse strip to a depth of 6”
- In spas, turn off jets and immerse strip to a depth of 6”
- For best results read in natural daylight
- Store in a cool, dry place