HI-770710P COMBINATION BUFFER KIT 10.01 & 7.01 PH 5 X 5 20ML SACHETS

A combination pH buffer kit with 5 x 20ml sachets of pH 7.01 and 5 x 20ml sachets of pH 10.01. Achieve accurate pH readings and check your meter and electrode is functioning correctly with Hanna buffer solutions.
 Accuracy: +/- 0.01pH @ 25◦C