Titan Controls Triton Substrate SensorThe Substrate Sensor from Titan Controls is designed to accurately measure the EC (electrical conductivity), VWC (volumetric water content), and temperature of your substrate (growing media). Understanding these three metrics will allow you to optimize your irrigation strategy to realize your plants full potential. A compact design allows for this sensor to be easily installed in most applications. Designed to be used with the GavitaTM EL3 Controller