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pH 7.0 & pH 4.0 Calibration Solutions

SKU PTPC47D Category
  • 20ml single-use solution sachet
  • 250ml bottles
  • 500ml bottles

pH 7.0 & pH 4.0 Calibration Solutions

SKU PTPC47D Category


pH instruments must be cleaned and calibrated at least monthly to provide you with the most accurate reading.

pH measuring equipment is calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope).

Essential for use with all Bluelab pH products for the calibration of Bluelab pH Probes.

To ensure solutions remain accurate:
·       Avoid cross-contamination
·       Decanter into a smaller plastic cup
·       Discard sample after use
·       Store in a cool dark place
·       Store with lid secured tightly
·       Keep out of reach of children

Bluelab solutions are manufactured specifically for Bluelab products are NIST certified and are made to a traceable standard to ensure your Bluelab products last longer and maintain accuracy.

Additional information

Weight 0.7 kg


pH Pen Cleaning and Care Sheet

pH Probe Cleaning and Care Sheet

Soil pH Pen Cleaning and Care Sheet

Download the Material Safety Datasheet (MSDS):

pH 7.0 calibration solution MSDS

pH 4.0 calibration solution MSDS


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