For use with HM Digital's ORP-200. To ensure your sensor is functioning correctly, you must always make sure your sensor is kept in an electrode storage solution. If dry, refill the cap with the OP-STOR storage solution.
For use with the ORP-200
Total volume: 60 cc
Contents: Specially formulated KCl solution for ORP electrodes (sensors)
Bottle: Combination twist off and eyedropper style cap