What size heater do I need for a 200 gallon fish tank?

Finding the Right Aquarium Heater Size
Aquarium Heater Size Guide
20 Gallon/75 Liter 50 watt 150 watt
25 Gallon/100 Liter 75 watt 200 watt
40 Gallon/150 Liter 100 watt 300 watt
50 Gallon/200 Liter 150 watt two 200 watt

How many gallons can a 50 watt heater heat?

Heater capacity is usually measured in watts. The general rule of thumb is to have a capacity of approximately 5 watts per gallon of water. Therefore, a 10 gallon aquarium will need a 50 watt heater.

Aquarium Heater Size.
Aquarium Size Heater Capacity
50-60 Gallons 200 Watts
75-100 Gallons 250-300 Watts

How many gallons will a 200 watt aquarium heater heat?

A 100 watts to 200 watts heaters are ideal for aquariums that are 50+ gallons, with tanks that are between 50 and 65 gallons and housed in normal to warm room temperature best with a unit closer to 150 watts (medium). In these conditions, even a 75 gallon can be operated with a 200 watts unit.

What size heater do I need for my aquarium?

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.

Can an aquarium heater be too powerful?

A powerful quality heater will work in a smaller tank. Most will require immersion beyond certain level for proper operation. The downside is if the heater doesn’t shut-off, then it will fry your fish.

What size heater do I need for a 150 gallon fish tank?

Finding the Right Aquarium Heater Size
Aquarium Heater Size Guide
10 Gallon/40 Liter 50 watt 75 watt
20 Gallon/75 Liter 50 watt 75 watt
25 Gallon/100 Liter 75 watt 100 watt
40 Gallon/150 Liter 100 watt 150 watt

What size heater do I need for a 55 gallon aquarium?

What Size Heater for 55 Gallon Aquarium. A standard 55 gallon aquarium will require a 165-watt heater at a minimum. A heater this size will be sufficient if the difference between the aquariums temperature and the ambient room temperature is around 5 degrees Fahrenheit.

What size heater do I need?

You can determine the right size by using heater wattage output. As a rule of thumb, you’ll need roughly 10 watts of heating power for every square foot of floor area in the room. This means that a 1,500-watt heater can be the primary heat source for an area measuring up to 150 square feet.

Can I use a small heater in a big tank?

Hang on …. it’s a good idea to use multiple smaller heaters versus one large one, but a single small heater rated for a 5-10 gallon tank will likely be insufficient for even maintaining 24 gallons.

How do I choose an aquarium heater?

Size matters: Determine the size of your fish tank. A big tank will need higher wattage. Mini-aquariums can do well with 25 watts and 36-inch aquariums need 200 watts. To make it simple, add five watts for every gallon of water in your aquarium.

What size heater do I need for a 120 gallon aquarium?

Hygger Titanium Aquarium Heater with Controller 500/800W

Being a 500-watt heater means it will work for aquariums of 60 to 120 gallons.

Which aquarium heater is best?

Best Aquarium Heaters Compared &amp, Reviewed
  1. Fluval E200 Electronic Heater (Top Pick) Installing this heater was a breeze. …
  2. Hygger 200W Digital Quartz Aquarium Heater. …
  3. Fluval M200 Submersible Heater. …
  4. Eheim Jager Aquarium Thermostat Heater. …
  5. HITOP Adjustable PTC Aquarium Heater.

Can I use 2 heaters in my aquarium?

Purchasing two heaters will ensure there will always be a backup heater. It is a small investment to ensure the safety of your fish. Purchasing two lower wattage heaters will keep the temperature stable. … Two heaters means that emergency use in another aquarium is possible.


What size heater do I need for a 29 gallon aquarium?

Registered. A 100 watt heater should be plenty. A better idea might be two 50 watt heaters.

Can I use a 50w heater in a 5 gallon tank?

If your tank is 5 gallons then it’s entirely possible to use a smaller heater such as 25 watts. … However, a 50-watt heater is going to be able to heat a tank a lot better and a lot quicker than a 25-watt heater.

What size 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.