For use with HM Digital's PH-200 and ORP-200.  Always make sure your sensor is kept in an electrode storage solution.  If dry, refill the cap with the OP-STOR storage solution.

FEATURES

• Part #OP-STOR
• For use with the PH-200 or ORP-200
• Convenient size

SPECIFICATIONS

Total volume: 60 cc Contents: Specially formulated KCl solution for pH and ORP electrodes (sensors) Bottle: Combination twist off and eyedropper style cap Made in Korea

Click here to read an article about Calibrating and Caring for Your pH Meter, from the July 2010 issue of Urban Garden Magazine.  The article was written by Rob Samborn, Director of Sales & Marketing for HM Digital.