Solution de calibrage pH 4,00 sachet (20ml)

Calibration Solution pH 4.00 Sachet (20 ml)

This calibration solution with a pH value of 4.00 is used for accurate calibration of pH probes in pool and water treatment systems. The convenient 20 ml single-use sachet contains a precisely stabilized solution that ensures reliable and consistent calibration results. Ideal for maintenance, verification, and optimal performance of pH measuring equipment.