Use with ALL pH and ORP meters. HANNA Electrode Storage Solution (HI 70300) is made with regent grade chemicals to ensure fast response times, optimal performance and zero clogging.
Sold in 500 mL bottles with a tamper-proof seal to protect quality and freshness.
Always keep the glass bulb and the junction of your sensor moist. Add a few drops of this product — or pH 7 buffer — to the protective cap when not in use. Do NOT store in distilled or deionized water.