Popular AR-02 outfit provides tests for Hardness, Iron, and pH.
- Drop count tests for Hardness (10 ppm or 1 gpg/drop)
- Octa-Slide tests for Iron (0.5-10 ppm) and pH (5.0-10)
- Includes 100 tests for Iron and 50 tests for each pH and Hardness
| | Hardness | pH | Iron |
| Range: | 1 drop = 10 ppm/1 gpg | 5.0-10 ppm | 0.5-10* ppm |
| Number of Tests: | 50 | 50 | 50 |
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*Higher concentrations by dilution; instructions included.