LaMotte 2097 ColorQ 2x PRO 9 Plus Test Kit directly measures nine tests that include Free Chlorine (DPD), Total Chlorine (DPD), Bromine (DPD), pH, Alkalinity, Calcium Hardness, Cyanuric Acid, Copper and Iron directly on a digital display. The handheld meter is easy to use and features economical liquid reagents that measure 288 tests per 60 mL size bottle for Free Chlorine, Total Chlorine, Bromine, and pH.