| Brand | Hanna |
|---|---|
| MPN | HI70300-050 |
| UPC | 606795356324 |
Check the listing for details. GroLine Electrode Storage Solution (500 mL). Condition: New. Listed at 36.99 USD. HI70300-050 is a GroLine storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. Storing your pH and/or ORP electrodes in a storage solution will also keep the junction clear.