GroLine General Purpose Cleaning Solution (500 mL) - HI7061-050 water testing probe Method: Adaptation of USEPA Phenatroline

Method: Adaptation of USEPA Phenatroline Method 315B - The reaction between Iron and the reagent causes an orange tint in the sample

Set your ideal pH range between 5

200 liters (317 gallons) — whichever comes first

insert your TDS meter probe or electrode

Municipal water quality monitoring

GroLine General Purpose Cleaning Solution (500 mL) - HI7061-050 water testing probe Method: Adaptation of USEPA PhenatrolineHI7061 050 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