Description
Ph Buffer Solution 4.0: Easy to use, no need to measure, you just mix each pack calibration solution powder with 250mL distilled water..Easy Ph Calibration: The package includes 6.86, 4.01 and 9.18 calibration solution powder for all pH needs..Ph Buffer Powder 6.86: Individual sized packets design make them can be tucked in drawer, bag or suitcase, lightweight and convenient..Precisely Calibrate Ph Meter: PH BUFFER POWDER The package includes 6.86, 4.01 and 9.18 calibration solution powder for all pH needs..Ph Calibration Solution 6.86: PH BUFFER POWDER Individual sized packets design make them can be tucked in drawer, bag or suitcase, lightweight and convenient.