Hach Ozone as O3 Color Disc; 0-2.3 ppm; 100 tests
Hach Ozone as O3 Color Disc, 0-2.3 ppm, 100 tests. Ozone As O3 Color disc/DPD. Test for dissolved ozone. See if your ozone system is working properly and adjust ozone levels as needed with this test kit.
Manufacturer: Hach Company
Manufacturer #: 2064400