PH Calibration Powder for Calibration PH Tester Acidity Meter Water Quality Meter
Packing List:
How to use:
- Please mix each powder with 250ml of distilled water;
- wait a few minutes until the powder is fully dissolved;
- Dip the water quality probe into the solution to do the calibration steps.
Feature:
- One-time use, once open and mixed with water, it cannot be stored over 3 days;
- It is suggested to be mixed with 250ml of25℃ distilled water
- Easy to use, easy to carry
- This product is shipping from China
- It is calibration powder, it cannot test PH



























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