The unique, multi-test ColorQ hand-held photometer featured in LaMotte’s digital water test kits reads test factors directly on a digital display. Featuring an innovative dual-optic design that allows the water analyst to achieve optimum accuracy. The ColorQ eliminates the need to visually determine slight color variations and the use of look-up tables. The ColorQ series of electronic water testing kits takes the guess work out of pool maintenance and gets you back to enjoying your swimming pool.ColorQ TesTabs® PRO 7 (Code 2057) photometer directly measures seven pool & spa tests which includes Free Chlorine, Total Chlorine, Bromine, pH, Alkalinity, Calcium Hardness and Cyanuric Acid. The photometer is easy to use and includes 50 TesTabs® tablet reagents per test factor packaged in blister-style foil. The user dispenses each tablet into a ColorQ test tube by pressing the tablet through the foil. This eliminates the need to manually tear open a foil packet and carefully dispense the tablet. The user friendly photometer, testing reagents and photo-diagrammatic multilingual instructions (English, Spanish, French) are packaged in a convenient carrying case.