Description:

Take the guesswork out of pH regulation with the Milwaukee MC122 pH Controller a trusted tool designed for precision, automation, and peace of mind. Whether you're growing plants hydroponically, maintaining a healthy aquarium, or fine-tuning a water treatment system, the MC122 offers continuous pH monitoring and on/off control, so you can set it and forget it.

Equipped with a high-accuracy pH electrode, adjustable setpoint, and LED alarm system, the MC122 gives you full command over your pH environment. Once connected to a dosing pump or CO system (not included), it becomes an automated solution that helps maintain your ideal pH range 24/7.

From hydroponic growers to aquarists, lab technicians to industrial operators, the MC122 delivers reliable control in a compact, easy-to-use unit trusted worldwide.

Why Choose the Milwaukee MC122?

• Continuous Monitoring Real-time pH readings with automatic regulation.
• Precision Control Set your ideal pH range (setpoint adjustable from 5.5 to 9.5 pH).
• Built-In Alarm LED Visual alerts when pH is out of range.
• Compact & Easy to Install Wall-mountable, durable housing.
• Includes Quality pH Electrode Ready to go right out of the box.
• BNC Connection Compatible with a wide range of pH probes.
• Ideal for Automation Control acid/base dosing or CO injection with ease.

Proper Care & Maintenance

To keep your MC122 performing at its best:

• Always store the pH electrode in storage solution (not water).
• Clean the electrode regularly using a cleaning solution (like MA9016).
• Calibrate often using pH buffer solutions (like MA9004 and MA9007).
• Replace the electrode as needed to mai