HITOP 25W 50W 100W 200W 300W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat with Suction Cups (100W-grey)

100 W Aquarium Heater, 9.5 x 1 x 1 in, 1.5M/4.9ft cable

Fish tank size: 10-30 Gollons

This heater is simple in appearance, placed in your aquarium, unobtrusive and will not destroy the fish tank landscape. 

We adopted 2mm thickened quartz glass, much safer for both human and animals. And it will turn off automatically when reaches temperature you set, without overheating.

This heater is easy to operation, just adjust the temperature adjustment button to set the require temperature，then you can forget it , the heater will automatically control the power on or off to the heating part according to the difference between the water temperature and the set temperature, but please pay more attention to the change of the water temperature within one week.

Features:

1. Good in maintain temp.

2. Both suitable for freshwater and saltwater.

3. Complete accessories: An extra stick-on thermometer(just peel and stick) and 2 extra suction cups are provided for spare (total 3).

4. Better construction: Adopt 8-slot multi-branched heating wire ceramic frame, better heat dissipation, 7.8 x1 x 1 inch, saving more space for your fish.

Cautions:

1. The heating part must be fully submerged in the water to avoid dry-burning, otherwise will cause damage to heater.

2. Please clean the heater regularly to remove dirt from the heating tube and keep it in good working condition.

3. Please make sure that you have turned it off and it has cooled down completely when you need to take it out from water.

4. Make the cable slightly droop, make sure the lower end of the cable lower than the height of the socket, to prevent the water flow into the socket through the power cable.

5. It is forbidden to pull the heater adjustment knob outwards.