TrolMaster 3-in-1 Water Content Sensor (WCS-2) 24 VAC Solenoid Valves The ONA Block Fresh Linen

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TrolMaster 3-in-1 Water Content Sensor (WCS-2) 24 VAC Solenoid Valves The ONA Block Fresh LinenTrolMaster 3 in 1 Water Content Sensor (WCS 2) The WCS 2 Water Content Sensor provides the users with an accurate and simple way to monitor your grow medium. The WCS 2 consists of a multi prong sensor assembly that is inserted into your grow medium. Once the WCS 2 is calibrated to your grow medium and your nutrients, you will get constant readings from the WCS 2 providing the actual water content within the grow medium, the temperature of the grow