Don't Let Winter Kill Your Yields! In cold weather, the temperature of the nutrient solution in your reservoir can become so low that it stunts the growth of your plants. Ensure your nutrient solution doesn't get too cold with a Hydor Thermostatic Tank Heater. These heaters are great for small, medium and large reservoirs. How Tank Heaters Work The Tank Heaters are a glass tube containing a heating element that is controlled by a user-set thermostat. The Tank Heater will switch on when submerged in water that is colder than the temperature set on the graduated control. When the water has heated up to the user-set temperature, the heater will switch off until the water temperature drops below the control setting again. In this way, the Tank Heater maintains a steady water temperature. Each version is adequate for reservoirs from 20 litres and up to 300 litres, depending on the ambient temperature set and heater selected. The glass tube containing the heating element is shatter resistant and thermally shock-proof. A light inside the glass tube indicates when the heater is actively working and warming the water. Two suction-cups with attached clips are supplied to fix the heater to a flat surface inside a reservoir. To see our full Water Heaters & Chillers range, click here
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