bluelab GL56732898 PH 4.0 Calibration Solution, 500 milliliters lab-Chemical-Standards, Natural

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bluelab GL56732898 PH 4.0 Calibration Solution, 500 Features

• "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings

• pH instruments are calibrated to pH 7

• 0 first (buffer) then to pH 4

• 0 (slope)

• Calibration Solution should be stored in a cool place out of direct sun and heat

About Bluelab GL56732898 PH 4.0 Calibration Solution, 500

Bluelab GL56732898 PH 4.0 Calibration Solution, 500 milliliters lab-Chemical-Standards, Natural