PINPOINT pH Controller^TM is an inexpensive yet rugged controller, which includes the appropriate probe and calibration fluids. This device will automate another electrical device such as a calcium reactor or magnetic solenoid for the addition of CO2 into an aquaculture or process system. This full feature controller will handle up to 5 amps. Comes complete with probe and calibration fluids.

• The PINPOINT pH Controller^TM is perfect for the freshwater planted aquarium keeper as well as the serious saltwater hobbyist.
• Will control pH in both a downward and upward direction. The user will select his or her own setpoint and any range of acceptable pH around this setpoint.
• 110 VAC operation.
• Additional calibration fluid.
• Replacement pH probe.