Orlushy submersible aquarium heater 100w 150w 200w 300w fish tahk heater with adjust knob thermostat 2 suction cups and free thermometer suitable for marine saltwater and freshwater 4 4 out of 5 stars 257 17 99 17 99 save more with subscribe save.
Adjustable heater for small fish tank.
All you have to do is set a temperature between 67 91 f.
And it will turn on when water tends to cool down.
25watt is appropriate for small aquariums.
The wire of the heater is long enough.
The hydor theo is an adjustable aquarium heater.
There are different sizes of heaters for different sized aquariums.
Most importantly it s the smallest adjustable heater on the market.
The device shuts off automatically after reaching this level.
It can be easily fit in the small fish tank.
For instance you set the temperature of 78 f.
Want your water hotter or colder to suit your specific fish.
The adjustable heater helps to prevent the risk of overheating.
Hydor submersible glass aquarium heater is not difficult to use.