Zeetoon 25w aquarium heater automatic thermostat betta fish tank heaters tortoise small water warmer for 2 5 gallon container with 1 stick on thermometer strip 4 1 out of 5 stars 98 11 88 11.
Aquarium heater for 2 gallon tank.
It depends much on the size of the tank.
For the heater wattage the basic rule of thumb is to use between 2 5 and 5 watts per gallon of actual water volume in the aquarium.
Or maybe you want to turn the heater down during summer.
Want your water hotter or colder to suit your specific fish.
Sizing a tank heater or heaters is based on the water volume of the tank the average temperature in the room where the tank is located and the desired water temperature for the tank.
3 6 out of 5 stars 227 ratings based on 227 reviews current price 17 99 17.
A 25 watt heater for a 2 5 gallon tank.
99 10 99 count 12 68 12 68.
The hydor theo is an adjustable aquarium heater.
Product title tetra submersible aquarium tank heater 2 15 gallon 50 watt average rating.
Preparing the best heater for small tanks is also an important task when caring for an aquarium.
A 50 watt heater for a 5 10 gallon tank.
Most importantly it s the smallest adjustable heater on the market.