Bluelab pH 4.0 - 250ml - Calibration solution

Bluelab pH 4 calibration solution

PH measurement equipment should be regularly cleaned and calibrated so that the user can be sure that the measurements are accurate.
The pH testers are calibrated using pH 4.0 and pH 7.0 solutions before each measurement.

• Calibration solutions should be stored in cool places away from direct sunlight and heat.

Calibration is easy, just follow the instructions provided for your pH meter.

250ml