HI93735-00 Hardness Total (0 to 250 mg/L) – Reagents -100 Tests

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

Range 0:00 to 3:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm

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 - 20 ppm | ESPA method | Resolution 0.1ppm