- Expiration date : March 2023
- 100 stripes.
- Easy to use strip provides accurate results in only 90 seconds
- Moisture absorbing vial protects the strips from the elements preserving freshness
- No electronics or chemicals needed for accurate results, just one strip!
- Vivid color blocks at 0, 2350, 3500, and 5000ppm
- This strip IS NOT for testing tap water or hot tub water. If you are unsure of which product will best suit your needs, please send us a message we will be happy to help!