[Durable Materials] Made of sturdy and durable materials, ensuring good conductivity and environmental friendliness.; [Water Purification] Helps remove harmful substances from water by assessing different water quality orp ion oxidation levels.; [Accurate Measurement] Measures ph value in the solution for precise adjustments, must be used with a meter for best results.; [Wide Compatibility] Compatible with most orp meters and controllers with bnc q9 connectors, ideal for aquariums, hydroponics, and swimming pools.; [Harmless Design] Harmless to the human body with good conductivity, for testing aqueous solutions.
What's in the box
1 x Lab Instruments & Equipment
