Electrode Cleaning Solution specially formulated to remove inorganic material from an electrode. REED R1425 Offers Electrode cleaning solution used in a variety of applications to eliminate impurities and residues that remain on electrode surfaces during measurement or after being incorrectly stored. Features Manufactured specifically for pH and ORP electrodes 16.9 fl oz (500ml) bottle with childproof cap Included REED R1425 Electrode Cleaning Solution