1.  Select the proper wattage heater for your aquarium.

     Normally 1 watt will heat 1 litre of water. For example a 200W heater is required  

     for a 180 to 200L aquarium.

2.  Position the heater in the aquarium.The best position is near a strong water flow.   

     The outlet  of a power filter is ideal.

3.  The heater should not come in contact with the gravel or substrate.

      This may cause a hot spot on the glass and cause the heater to crack.

4.  Plug the power cord into the power socket and arrange a “drip loop”and turn on.

5. To set the heater,use the dial at  the top of the heater to adjust to the desired  of

     The heater. A temperature.Continue turning the dial until the preferred  

      temperature is displayed on the front light will come on when the heater is

  working. It will switch off when it  reaches the set  temperature.