HI93720-01 Hardness Calcium – Reagents -100 Tests

Range 0.0 - 15 ppm | Molybdenum Blue Method | 0.1ppm resolution

Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb

The HI 775 Checker®HC is a simple, accurate, and cost effective way to measure alkalinity. Designed as a more accurate alternative to chemical test kits, the HI 775 provides quick, accurate results in four easy steps.

Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm