Milwaukee Instruments MC122 pH Controller w/Hi-Low Activation & User Set Point cloning-and-seed-starting Can be used as a

Can be used as a bulk media ingredient or in hydroponic and soilless applications

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Automatic shutdown for extreme temperature (user adjustable set-point)

Drives the highest light output for maximum plant growth

As a rejuvenator

Milwaukee Instruments MC122 pH Controller w/Hi-Low Activation & User Set Point cloning-and-seed-starting Can be used as aProfessional pH controller especially designed for use with aquariums. Features user selectable Hi Low Set Point, manual 2 point calibration, visual LED alarm. Includes 12V DC adapter and mounting kit, power plug for CO2 dosing, and double junction pH electrode with 2 m cable (BNC connector).