Type: Test reagent refill kit Compatibility: Lamotte Color‑Q Pro 7 pool and spa photometer Function: Provides reagents for seven test factors (Free Chlorine, Total Chlorine, Bromine, pH, Alkalinity, Calcium Hardness, Cyanuric Acid) Application: OEM replacement reagents for continued use of Color‑Q Pro 7 system Design: Dual‑optic photometer technology for accurate digital readings Benefit: Eliminates need for color matching or look‑up charts Use Case: Ensures reliable poolside water analysis with digital display results Lamotte Color-Q Pro 7 Test Reagent Refill Kit No color matching, no look up charts, no guessing! The unique, multi-test ColorQ pool and spa hand-held photometer reads SEVEN test factors (Free Chlorine, Total Chlorine, Bromine, pH, Alkalinity, Calcium Hardness, and Cyanuric Acid) directly on a digital display. Featuring an innovative dual-optic design the ColorQ provides more accuracy and more test factors. The ColorQ eliminates the need to visually determine slight color variations or use look-up tables, thus taking the guesswork out of pool side water analysis.