Calibration solution with pH 4.0 for pH electrodes.
Professional use of pH electrodes for aquariums: liquid for the calibration of electrodes with pH 7.0
Easy to use: fill buffer solution into cuvette. Remove the electrode from the water. Immerse and rinse dry electrode according to instructions
No falsification of the pH value: precise measurement through calibration of the electrode
Safe storage: small bottle with screw cap. Repeated use
Package contents: 50 ml calibration liquid for pH electrodes, buffer solution pH 7.0

Buffer Solution pH 4,0

Buffer Solution PH 4.0

Buffer Solution PH 4.0 £7.96

Qty

Write a review