Essentials LAB pH Buffer 4 Calibration Solution

Essentials LAB pH Buffer 4 is a calibration solution for compatible pH meters. Regular calibration helps keep readings dependable when checking the pH of nutrient solutions.

A pH electrode’s performance can change with use and age. Checking and calibrating the meter according to its manufacturer’s instructions helps ensure that adjustments to nutrient solution pH are based on reliable readings.

Key features

• pH 4 reference solution for compatible pH meters
• Suitable for routine meter checks and calibration
• Available in 250 ml and 1 litre bottles

Two-point calibration

Where the meter supports two-point calibration, Essentials LAB pH Buffer 4 can be used alongside a separate pH 7 buffer. Follow the calibration sequence specified in the meter’s instructions.

Choose a size: 250 ml or 1 litre.