Finding the Right Aquarium Heater Size 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. However, often more wattage is required, depending on how much you want to raise the temperature.
How long does it take to heat a 30-gallon fish tank?
100 watts is okay for up to maybe 30 gallons, most 3 foot tanks are bigger. Best to fill your tanks with near lukewarm water to start with and save the heater from trying to catch up. I agree that it should take about 24 hours.
How many watt heater do I need for a 30-gallon tank?
It's generally recommended to use 2.5 to 5 watts per gallon of water. So, for a 30-gallon aquarium, you'll need a heating device with a wattage of 75 W to 150 W.Jun 1, 2020
What size tank needs a heater?
A good rule of thumb for aquarium heaters is 5 watts per gallon for aquariums 55 gallons or smaller, and 3 watts per gallon for those over 60 gallons. Use a larger size or a second heater if your aquarium is in an especially cold room or is located on an exterior wall or near an outside door.
Do I really need an aquarium heater?
If you are keeping tropical fish, you will need a heater. A heater insures that a tank doesn't get too cool, and that the temperature stays steady during the course of the day, even when the room cools off (e.g., at night). For many tropical fish, a temperature of 78F is ideal.
What temperature should a 30-gallon fish tank be?
A good range is 76° to 80°F (25° to 27°C). A few species need to be kept several degrees warmer, and some species require temperatures a few degrees cooler. A thermometer is vital. A stick-on type enables you to check the temperature whenever you look at the aquarium.
How long does it take to heat a 29 gallon fish tank?
it might take between 24 and 48 hours and get to the temperature. When I threw my heater in my tank (about 2ft, 20 gallons), it took about 30-36 hours to get to the right temp. Give it a little time, and first chance you get, go and snag a little thermometer from your local FS.
How long does it take a fish tank to heat up?
Depends on the heater, but generally it should take about 24 hours, but you should get a thermometer to check. It's probably up by now. But, don't forget that with small tanks, it depends on what the room temp is and where it is placed in your house.
Does a 30 gallon tank need a heater?
For a 20 to 30-gallon aquarium, use 50 to 100 watts heater. A 75 watts is adequate for a 30-gallon in a fairly warm aquarium room, but also useable in a 20-gallon tank in cool to a moderately warm temperature.