Reagents for Freshwater Alkalinity HI 775 Checker HC ®, 25 Tests

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

The HI 764 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the HI 764 Checker®HC, press the button and read the results. It’s that easy.

Reagents for HI 755 Checker HC ®, 25 Tests

Range 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm