

🎯 Calibrate with confidence—precision that travels with you!
The Pinpoint® High-Precision pH Calibration Fluids Kit offers 20 individual 25 ml packets of pH 4.000 and 7.000 buffer solutions, each with an ultra-accurate ±0.002 pH tolerance. Ready to use straight from the pouch, this kit is designed for professionals needing reliable, portable calibration in the field or lab.
A**R
Same accuracy as bluepoint
Single use packets are much cheaper to use as the larger bottles expire long before there used up
L**N
The work
Not much to say here. They work, and last a lot longer than solutions in a bottle. I keep mine in the refrigerator, and pull a set out a couple hours before I need them.
A**M
Apex ready
apex controlled Calcium Reactor. Perfect calibration
T**E
Works as advertised
Works as advertised
Trustpilot
2 weeks ago
1 month ago
4 days ago
1 month ago