BlueLab pH 7.0 Calibration Solution 250mL

Bluelab calibration solutions are a must in every koi keepers toolbox. A clean probe is an accurate probe. Cleaning the probe surface removes dirt or contamination. After cleaning - calibration (for pH probes) or testing (for conductivity probes) is recommended.

Bluelab calibration solutions are essential for use with all Bluelab products. Bluelab Solutions are manufactured specifically for Bluelab products and are referenced to high laboratory standards to ensure your Bluelab products last longer and maintain accuracy.