Hanna Instruments GroLine Quick Cal Solution 500mL

Quick calibration solution for use with Hanna's HI9814 GroPro portable pH/EC/TDS meter. This solution allows for quick single-point calibration for pH and conductivity. Each solution has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna's line of calibration solutions has been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet.