Good Water Warehouse, of Fullerton, Calif., introduces the Oakton Instruments’ new Acorn Ion Meters and Kits as a complete precision pH and ion measurement system. They meet USEPA testing requirements. Select from dozens of ion selective electrodes (not included). They are also used for measurements of re-circulated water, industrial water treatment and as a reference for in-line instruments. The kits have a hard shell protective carrying case with a handle, calibration buffer pouches, sample bottle and squirt bottle for rinsing.