Bluelab pH 4.0 Calibration Solution - 250ML Calibration Solutions for pH Meter
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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:
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.
The bottles pictured here may look different in some countries.
Contains : 1 x 250ml Bottle
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