HI93706-01 Phosphorous – Reagents – 100 Tests

Range 0 - 20 ppm | ESPA method | Resolution 0.1ppm

Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 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.