Review on π§ͺ Set of 15 PH Calibration Buffer Solution Powder Packs for Accurate pH Meter Calibration - Make 250ml of 4.00pH, 6.86pH, and 9.18pH Solutions to Calibrate Your PH Tester by Kevin Abner
BUFFER POWDER FOR PH CALIBRATION
The product worked as advertised, I had to recalibrate my ph pens and they worked great. Three stars for the condition the box was in when I received it, it looked like it was old and used.
- FAST and EASY. No measuring needed, just mix individual packs with distilled water.
- Only available in black
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