widespread: it is applicable to most ORP instruments and controls with BNC Q9 connections, and used in water source systems such as aquariums, hydrocultures, swimming pools, etc. orp probe: The oxidation degree of orp ions in different water quality is always helpful to remove harmful substances in the water used High conductivity: ORP replacement probe consists of durable materials, with good conductivity and environmental friendliness oxidation and reduction electrode: harmless to the human body, good conductivity, widespread in the water solving test pH values test: Measure the pH in the aqueous solution for an exact listing and setting and use it together with the instrument
