To ensure the accuracy of your Bluelab EC meters, clean and test them regularly. Bluelab 2.77 EC Standard Solution - 500ml is essential for use with all Bluelab EC products.
All Bluelab EC pens and meters are factory calibrated. Clean the Bluelab EC probe and then test it with the standard solution to confirm cleaning.
Cleaning and testing every 30 days is recommended. Bluelab products come with cleaning and maintenance instructions.