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Thermostat Cooling or Heating, 15-amp @ 120vac

Hydroponics is a method of growing plants using mineral nutrient solutions, in water, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium, such as perlite, gravel, mineral wool, or coconut husk

Our Price: $69.95
List Price: $$69.95
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Any cooling or heating device that operates on 120 volts and is 15-amps or less can be plugged into the Therm-1. Once connected, the device is turned on and off when the temperature changes. Rugged plastic molded housing and dust-proof enclosure, with a highly accurate solid-state temperature sensor.

Comes with a 50 inch long cable.