The LaMotte 1161 Cyanuric Acid Double-Tube Assembly Test Tube is a replacement test tube assembly for LaMotte water test kits that measure cyanuric acid such as the 6838 Cyanuric Acid Test Kit and 3368 and 7002-NJ Pool Manager Test Kits (all sold separately). This double-tube assembly consists of a calibrated square tube within a larger round tube. It includes a cap for sealing. Test tubes are used to hold and mix substances in scientific testing and research applications.
LaMotte manufactures analytical reagents, portable water testing instrumentation, and microbiological testing products. The company, founded in 1919, is headquartered in Chestertown, MD.