Learn the best temperature for betta fish and how to make sure your fish tank has the ideal temperature to keep your pet lively.

What’s the Best Temperature for Betta Fish?

best temperature for betta fish

Betta fish are very popular and are one fish that people like to keep in their home aquarium. They are vibrant little creatures that you’d want to look at and watch while they are swimming away in their tank.

Bettas may be known to be a low maintenance fish, but, that’s not truly the case. Bettas are not starter fish and if you want to own one, being equipped with proper knowledge is crucial.

In this article, we will talk about what temperature is best for your betta fish to keep them healthy.

What’s the best temperature for betta fish?

The ideal temperature for your betta fish tank is 25-27ºC or 78-80ºF.

Wild bettas can definitely survive in temperatures outside of this range. They are usually on rice paddies, swamps, or ponds where temperatures are not consistent.

But, if you’re keeping a betta as a pet knowing what’s best for them should be a top priority to prevent illnesses just because you’re not aware of the right temperature for them to thrive.

If you notice your betta fish either lethargic, unresponsive, or staying at the bottom of the tank make sure you check the water temperature as it may be the culprit.

Exposure to extremely cold and hot water can cause illness and may eventually lead to death.

Keeping a betta fish as a pet comes with responsibilities. It’s not only the costs of equipment or tools, but proper care and attention will make you and your betta happy.

How to keep the perfect temperature for your betta fish?

It’s easy to keep the ideal temperature for your betta, just follow these three things below.

Choose the right fish tank size

Choose the right fish tank size

Your betta fish tank should not be lower than 2.5 gallons and ideally, you can have a larger one about 5 gallons or more.

The temperature on smaller tanks will fluctuate quickly. Also, if you will add a heater to an already small tank, it’s going to be hard avoiding harming your betta fish.

In contrast, the temperature on larger tanks are easier to regulate and maintain.

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If you’re thinking of putting your betta in a fishbowl, then you may need to rethink about having a betta fish as a pet overall.

Get a water tank heater

The average room temp is 68-72°F and your betta needs 78-80°F. Unless you live in a hot room, you definitely need to get a heater.

If possible, add a little more to your budget and buy a reliable and sturdy one to avoid future headaches.

If you don’t have a water tank heater yet, you can still do so even without one. It’s not as convenient as with a tank heater, but it should do for now.

Buy a thermometer

You will need it to check your fish tank’s temperature often to be sure it doesn’t go above or below the ideal range.

Some heaters have a thermostat, but it’s better to keep a separate thermometer to be sure you’re getting accurate measurements and maintain the best temperature for betta fish.

How to keep a betta warm without a heater?

If there are reasons you don’t have a heater or can’t buy one at the moment, here are some of the things you can do.

1. Use a fluorescent light – Fluorescent light is good for betta as it doesn’t emit too much heat so it can gradually increase at the right temperature. You can add one or two of this in your fish tank to also encourage plants to grow.

2. Place the fish tank within natural sunlight – Direct sunlight can heat the water to a comfortable range and also helps improve growth of live plants. But it can also encourage algae growth and depending on the weather or how hot the sun is, it can make your betta overheat and get ill.

3. Keep the betta in a warm area of the house – If you have a garage, shed, or a place in the house that’s warmer than the normal room temperature, then you can place your betta there temporarily.

Keep in mind that these are temporary solutions as a betta may not be comfortable being in direct sunlight, having a bright light in their tank constantly, or being kept in a room with no light.

Be sure to get a heater as soon as you can to keep a constant and regulated temperature for your betta fish.

What happens if your betta water is too hot?

A high water temperature is dangerous and will lead to a faster metabolism which shortens their lifespan.You may notice your betta rapidly swimming or have unusual swimming patterns on a hot water.

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Above 84°F is on the high end of the temperature and anything higher than that has detrimental effects, especially in prolonged exposure. It’s possible that they thrive in this water condition, but it’s very uncomfortable for them and the quality of life will significantly go down.

What happens if your betta water is too cold?

A cold temperature may bring their metabolism slower, make them lethargic, and their immune system will deteriorate.

Betta fish can live in cold water but only for about 3-6 months. Depending on how cold the water is, it will certainly affect and shorten their lifespan.

What is temperature shock?

Temperature shock happens to a betta that’s suddenly transferred from one temperature to another.

While slight changes in temperature are tolerable, bettas are still sensitive to sudden temperature changes, especially extreme differences in temperature level.

This usually happens if you clean the tank and did not do the proper acclimation steps or the heater is not functioning well.

Letting your betta fish get used to its water temperature may be slow and tedious for you, but it will give your betta the chance to thrive.

Conclusion

Bettas are an excellent addition to your home and are very beautiful to look at. But make sure you are doing your job as a fish owner and maintain the best living environment for your betta to not only survive but have a long and healthy life.

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