HI93713-01 Phosphate LR – Reagents – 100 Tests

Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm

Range 0:00 to 5:00 ppm | EPA Method 315 B | 0.01ppm resolution

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