GroLine General Purpose Cleaning Solution (230 mL) lab DO probe NSF42 Certified Contaminant Removal

NSF42 Certified Contaminant Removal

Preferred by professional growers and aquarists who demand 24/7 visibility into pH and nutrient levels

2x 5-Stage Filters (6 months each = 12-month/1-year supply)

Verify alarm functions are operating correctly

GroLine General Purpose Cleaning Solution (230 mL) lab DO probe NSF42 Certified Contaminant RemovalHI7061 023 is the GroLine general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer. Hanna's cleaning solutions eliminate impurities and residues that are left on electrode surfaces when immersed in samples during measurement or when stored incorrectly. Hanna suggests cleaning the bulb and junction of your