Importance of Having a Betta Fish Heater

Betta Fish Heater

When you make a decision of owning a betta fish, there are certain supplies that you will need to get in order to ensure that your betta lives a happy and healthy life. One of the most important ones, in my opinion, is a betta fish heater. When they are in their natural surroundings, the sunlight supplies the warmth they need to survive. When they live in an aquarium, they still need that extra warmth. Remember, even if the room where you keep your betta fish tank feels warm to you, the chances are that it is too cold for your betta fish. Generally, water is relatively harder to heat than air. For this reason, you need to have a good betta fish heater to provide the necessary warmth that your betta splenden needs to thrive.
Your betta fish will be comfortable and healthy in water that is kept around 78-80 degrees Fahrenheit. For the optimal health of your fish you need to maintain the water temperature as even as possible. Fluctuating the temperature leads to a stressed fish that is at risk of diseases. See below for some tips to help you in getting the right betta fish heater.

Size Of The Betta Fish Heater

Heaters are rated by watts (i.e.: 100 watts, 200 watts, etc.) The rule of thumb of selecting the best heater is getting a heater that has five times the number of water gallons in the betta fish tank. As an example, if your tank capacity is 20 gallons, you will need a 100-watt heater. If you have a huge tank that houses more than two betta fish, you may need a few heaters, strategically placed for optimal warmth. For instance, a 50-gallon tank will need a 250-watt heater. Instead of purchasing a 250-watt heater, you can get two 125-watt heaters and place them on opposing sides of the tanks.
The other benefit of having 2 heaters is when one fails, the other heater can keep the water relatively warm while giving you a chance to replace the defective one. Another important consideration to make is to have a thermometer to verify the water temperature. Of course, you do not want to overheat the water as this could make fish uncomfortable and even kill them.


What Type Of Betta Fish Heater Should You Get?

The least expensive type of heater is the immersible/hang-on heater. These heaters are made out of glass, aluminum or plastic. They tend to have a control knob at the top that lets you set the temperature and they have a built in thermostat. When installing them, ensure that the upper part of the control is above the water line while the tube shape part is under the water. For the best results, place the heater where the water flow begins as this will keep proper temperature throughout the tank.
You can also get submersible heaters that can go entirely under the water. These heaters are also inexpensive and very effective. Other types of heaters are the substrate heater that is kept below the substrate. The substrate may be rock, sand or gravel. These types of heaters produce very even heating. The only disadvantage of these heaters is that you have to take down the aquarium when you need to replace or repair them.
That is it; now you know why it is necessary to have a heater for your betta fish tank. You also have the basics of getting the right heater. Before making a purchase, remember to do proper research by browsing through different heater brands, models, and choose the heater that is ideal for your aquarium. And remember, the best betta tank is a clean betta tank!
Before you leave, please check out our SHOP page for amazing deals on betta fish tanks, decorations, supplies and more!


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2 thoughts on “Importance of Having a Betta Fish Heater

  1. A heater is absolutely necessary if you have any fish, IMO, not just bettas. Any drastic change in temperature can stress your fish, which is not good at all.

    1. Absolutely agree with you. I wasn’t very specific since I deal mostly with Bettas… but keeping the temperature consistent, regardless of what fish you have, is important. Txs for the feedback.

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