HM Digital pH & ORP Electrode Storage Solution

ORP Solution: 1.1mol/L KCl. Do not use with TDS/EC meter.

For use with HM Digital’s PH-200 and PH-80 (as well as other brands of pH meters).  3.3mol/L KCl. Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with the PH-STOR storage solution. The sponge should be moist (not soaking wet).