HM DIGITAL PH/ORP ELECTRODE STORAGE SOL.
pH/ORP Storage Solution for HM Digital’s ORP-200 as well as other brands of ORP meters. Always make sure your sensor is kept in an electrode storage solution. If dry, refill the ORP meter cap with the ORP-STOR storage solution. The sponge should be moist (not soaking wet).
• High Concentration
• Extends probe life
• Convenient size