Hanna Polarographic Dissolved Oxygen Electrolyte Solution (30 mL) (Hanna# HI7041S) itemID-45029 This will allow you to

This will allow you to open up the valve to get to the ball and two gaskets that form the seal when closed

Jumper Dimensions: 4" x 3

When you are fermenting under pressure the beer is already carbonated when you are done fermenting

Remains flexible at high temperatures

Hanna Polarographic Dissolved Oxygen Electrolyte Solution (30 mL) (Hanna# HI7041S) itemID-45029 This will allow you toThe HI7041S electrolyte fill solution has been developed for Hanna's polarographic dissolved oxygen probes. Having the correct electrolyte solution is crucial to the performance of your dissolved oxygen probe. Convenient dropper bottle Made with reagent grade chemicals HI7041S is designed to refill the electrolyte solution for polarographic dissolved oxygen probes. Polarographic sensor technology is based on the Ross and Clark polarographic