Klima Evo Tank Heaters

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  • Helps stop your nutrient solution from becoming cold and slowing plant growth
  • Great for the winter months
  • Thermostatically controlled to maintain a steady temperature
  • Easy to use graduated temperature control
  • Light indicates when the heater is on
  • Suitable for small, medium and large reservoirs
  • Break resistant
  • Includes safety cut-out

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 or Klima 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.



1 x Hydor or Klima Evo Tank Heater of your choice (choose your heater above)

Klima Evo 50w Tank Heater - 18cm
Hydor 100w Tank Heater - 23cm
Hydor 150w Tank Heater - 30.5cm
Hydor 200w Tank Heater - 30.5cm
Klima Evo 300w Tank Heater - 39.5cm

Maximum reservoir heating capacity:
Klima Evo 50w Tank Heater - 20 to 50 litres
Hydor 100w Tank Heater - 50 to 100 litres
Hydor 150w Tank Heater - 90 to 150 litres
Hydor 200w Tank Heater - 100 to 200 litres
Klima Evo 300w Tank Heater - 200 to 300 litres

How to Use the Hydor or Klima Evo Tank Heater:

Do not power-on your tank heater until it has been installed into position. Set the desired temperature on the control knob on the end of the tank heater. Most plants will be happy with water at a temperature of 18C - 20C. Fit the tank heater inside your reservoir so that the glass tube will remain submerged up to the water-level line printed on the glass tube at all times. Over time, plants will drink the water so the reservoir level with go down. It is important that the tank heater is fitted below the lowest level that the reservoir goes down to between reservoir changes or top-ups. The tank heater can be used completely submerged if necessary and can be fitted horizontally or vertically. Two suction-cups with plastic grip-clips are supplied to easily fit the tank heater to the side of your reservoir.

When the tank heater has been fitted in the reservoir, it can then be plugged in and switched on. Always remember to switch the heater off before removing the heater or when emptying the reservoir to change the nutrient solution.


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