Hardness, total, colorimetric method, Reagent kit for 100 tests (0-250 mg/L CaCO
The HI-93735-00 are reagents for the low range colorimetric determination of total hardness. There are enough reagents for 100 tests to be used with Hanna’s HI-96735 & HI-97735 Total Hardness EPA Portable Photometer.












