Pack of pH Calibration Buffer 4.01

Pack of pH Calibration Buffer 4.01


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SKU: ph4.01 Pack Category: Tag:

This is the necessary 4.01 calibration buffer for which you will use as a reference to calibrate your meter. The Hanna App can save up to 5 different buffers, but a 2-point calibration is all that is necessary. Start with the 7.01 buffer, and once the app gives you a stable reading save it, and then proceed to the 4.01 calibration buffer.

Additional information

Weight .5 lbs
Dimensions 4 × 2 × 2 in


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