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PINPOINT pH 10.0 Calibration Fluid (5 Pack)
PINPOINT® High-Precision pH Calibration Fluids 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. All electronic pH instruments should be calibrated monthly. High or low range available. Bulk boxes are available, please call for details.