ACCESSORIES:  Get from Water Testers . com

MA957:Solenoid Valve with 1.5 meter cable with Dual Pressure Gauge Co2 Regulator, Needle Valve AND Bubble Counter!..... MA955: Solenoid Valve with 1.5 meter cable, includes fittings
MA911B/2: Replacement pH Electrode with BNC Connector and 2 meter cable
MA9004: pH 4.01 Calibration Solution, 220mL Bottle
MA9007: pH 7.01 Calibration Solution, 220mL Bottle
MA9010: pH 10.01 Calibration Solution, 220mL Bottle
MA9016: Cleaning Solution, 220mL Bottle
M1000AB: pH Kit containing 10 sachets of pH 7.01, and 5 sachets of pH 4.01, 10.01 and Electrode Rinse
Bubble Counter Fluid: For your Milwaukee Ma957 Co2 Regulator