ORP/Redox-500mL 240mV Hardness Tester Pairing the ProQuatro with the

Pairing the ProQuatro with the 4-port cable creates an extremely powerful handheld multiparameter water quality instrument

strong polyurethane wheels

The PVC Double Valve Pump operates up to 100 ft

Water Level Meter Reels

providing cost-effective monitoring and chemical identification

ORP/Redox-500mL 240mV Hardness Tester Pairing the ProQuatro with theHI7021L is a quality ORP test solution made from reagent grade chemicals and used to test platinum and gold ORP electrodes. Hanna test solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution.