Inkbird ITC-306A Temperature Controller

The Inkbird ITC-306A is a single-stage plug-and-play temperature controller that transforms any standard aquarium heater into a precision-controlled heating system. A submersible NTC temperature probe monitors water temperature in real time, and the controller powers the connected heater on or off to maintain the user-defined setpoint. The digital display shows actual and target temperatures simultaneously for easy monitoring. With a programmable differential (hysteresis) setting, it minimizes heating cycles and reduces temperature fluctuations, benefiting sensitive species. Compatible with any resistive heating load, it is an affordable and reliable upgrade for aquarists seeking greater thermal precision.