Hanna Dissolved Oxygen Electrolyte Solution (500 mL) waterproof pH pen Warranty: 2 years

Warranty: 2 years

Smart Value Package

Each sensor of the pair has a blue or red wrap

gel-filled

Prevents hard water scale buildup inside your dishwasher — pipes

Hanna Dissolved Oxygen Electrolyte Solution (500 mL) waterproof pH pen Warranty: 2 yearsThe HI7041L 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. Made with reagent grade chemicals Long lasting supply of electrolyte HI7041L is designed to refill the electrolyte solution for polarographic dissolved oxygen probes. Polarographic sensor technology is based on the Ross and Clark polarographic