A convenient pH buffer starter pack containing pH 4.00 and pH 7.00 solutions for routine calibration of pH meters and testers.

Full Product Description

Accurate pH measurement requires regular calibration.
This pH Buffer Starter Pack provides the two most commonly used calibration points — pH 4.00 and pH 7.00 — making it ideal for routine pH calibration in water quality testing.

This pack is suitable for handheld meters, pen testers and benchtop instruments, and is commonly used in hydroponics, aquaculture, environmental monitoring and education.

Supplied in convenient 60 mL bottles, the solutions are ready to use with no dilution required.

Pack Contents

• pH 4.00 buffer solution – 60 mL

• pH 7.00 buffer solution – 60 mL

Key Features

• Covers the most common two-point pH calibration

• Suitable for pH meters and pen testers

• Ideal for routine water quality measurement

• Ready to use – no mixing or dilution required

• Convenient bottle size for field or laboratory use

Typical Applications

• Calibration of handheld pH meters

• Calibration of pen-style pH testers

• Hydroponics and aquaculture

• General water quality testing

• Education and training

Usage Notes

• Use fresh solution for each calibration

• Do not return used solution to the bottle

• Store tightly sealed when not in use