12 VDC Solenoid Dosing Valve
These low power solenoid valves are designed to open when power is applied which enables you to build your own dosing system to maintain nutrient or relative acidity in a nutrient reservoir. Normally open circuits open valve when current is applied. 3/8" barb fittings are easy to connect to stock tanks and tubing. Ideal for use with Auto TDS Mini Controller These high quality valves are made from FDA approved food grade plastics, and will not be corroded through constant contact with nutrient solution. 12V DC power supply not included but required.
