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The Test and Reset buttons allow for periodic testing
(1) 3-brick Plant
Single Outlet Digital Timer
11″ x 22″ watertight base tray
nutrient density
HYDROS Temperature Sensor Fish The Test and Reset buttonsProduct Highlights The HYDROS Temperature Sensor has a long 79 cord that plugs into any Sense Port on the Control 2, Control 4, X3, and future HYDROS devices. This sensor must be plugged into a HYDROS Controller for this sort of automation to occur. HYDROS Controller NOT included. About This Item Description Use multiple temperature sensors on your system for safety and redundancy. Place one in your fish tank and another in your sump. This can help if
