HI93706-01 Phosphorous – Reagents – 100 Tests

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

Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm

Range 0.0 - 8.0 ppm | DPD method | Resolution 0.1ppm