Reagents for HI 700 Checker HC ®, 25 Tests

The HI 771 Checker®HC is a simple, accurate, and cost effective way to measure ultra-high ranges of chlorine. Designed as a more accurate alternative to chemical test kits, the HI 771 provides quick, accurate results in four easy steps.

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

Range 0 - 500 PCU | Platinum Cobalt method | Resolution 5 PCU

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.