| |  | | The Aqua Tester is a precise, visual instrument for rapid and accurate tests in the lab. It is an advanced visual system for the measurement of the color of water and low chemical concentrations of many other parameters in which extremely pale colors are developed. Please note: Production of the Aqua Tester ended in September 2008. While the Aqua Tester is no longer available, select discs and accessories are available while supplies last. If you need a new system, please see our Comparator 705 and 711 nesslerizer Options. |