Bluelab calibration fluid PH 7.00

Your measuring device only measures as exactly as the probes are clean!

 

Bluelab PH calibration fluid, pH 7.0, 20 ml

 

pH measuring instruments must be cleaned and calibrated regularly to show the user precise measurements. pH measuring instruments should be calibrated to pH 7.0 before each measurement using these solutions. Calibration solutions should be stored in a cool place without direct sunlight and heat.