Any pH meter needs to be calibrated before its first use and again, later if it has not been used for a long time. This kit is good for one re-calibration of any digital pH meter. It comes with the following items for easy, two-point calibraiton. Each solution is in 20ml pouches:
- 4.0 Buffer Solution
- 7.0 Buffer Solution
- Electrode Rinse Solution
Q Stuart (Carmel, NY)
How many times can the recalibration kit be used?
The pH Re-Calibration Kit is only good for one use.
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