Solutions are identified by the letters A, B, C, and D, each letter designates a unique formulation
Cleaning solution A is for removing protein contaminants, cleaning solution B is for removing bacterial contaminants, cleaning solution C is for general cleaning and cleaning solution D is for removing oil and grease contaminants
Bottles of the ready-to-use cleaning solutions include a small beaker to hold the cleaning solution and a plastic pipet to remove the old electrode filling solution