Zero Oxygen Calibration Solution

The Zero Oxygen Solution is the zero-point calibration standard for dissolved oxygen (DO) meters, providing the 0 mg/L reference point needed for two-point DO meter calibration. Most dissolved oxygen meters require two calibration points: zero oxygen (0 mg/L), established using this solution, and air-saturated water (100% saturation), typically achieved by exposing the probe to moisture-saturated air.