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Pinpoint pH Calibration Fluid Sachets - Ph 4.0
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- These come in plastic envelope packets and are extremely accurate and field portable.
- Each packet contains ample fluid for calibration (about 30 ml). There is a free sample of these included with each PINPOINT® pH Monitor and PINPOINT® pH Controller.
- Simply open, insert the probe from your pH monitor or controller into the solution, and calibrate.
- One time use- do not use more than several hours after opening.
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