Product Features:

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. All electronic pH instruments should be calibrated monthly. Bulk boxes are available, please call for detaails



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American Marine pH Calibration Fluid #4.00 (10 Pack)

  • $11.95

  • Ex Tax: $11.95