Growth technology PH 4.0 calibration fluid is used to calibrate digital PH meters.
Keep in mind that to get a two-point measurement that gives a safer and more accurate measurement, calibration liquid PH 7.0 is also needed.
Growth technology PH 4.0 calibration fluid is used to calibrate digital PH meters.
Keep in mind that to get a two-point measurement that gives a safer and more accurate measurement, calibration liquid PH 7.0 is also needed.