Cheapest 😉 HM Digital PH Electrode Storage Solution – 60 Cc / 2 Oz ❤️

For use with HM Digital’s PH-200 and PH-80 (as well as other brands of pH meters). 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).