The Insta-TEST® Low Range Hardness test strips are a convenient way to test hardness levels in water for fast results. Range and sensitivity is 0, 30, 60, 120, 180 ppm.
| Test Factor: | Low Range Hardness |
| Test System: | Test Strip Visual Color Comparison |
| Range/Sensitivity: | 0, 30, 60, 120, 180 ppm |
| # of Tests: | 50 |







