how to care for your betta fish

How To Care For Your Betta Fish

On this page I’ll show you how to care for your Betta Fish. Betta fish care isn’t that hard really, but I don’t know where I’d be without my handy guide.

You might find the information below hard to remember all at once. There’s a lot there because I’ve tried to be thorough. Feel free to come back any time you need to, or pick up a betta care book.


Don’t use water straight from the tap. Chlorine in the water will hurt your Betta and make him/her ill. Fill a container with water and leave it to stand for 24-48 hours so the chlorine will evaporate. Or you can use a dechlorinator.  Your Betta will also appreciate it if you use aquarium salt. This acts as a tonic to Betta Fish, helping to relieve stress and prevent parasites.

Water Temperature

Betta fish come from naturally warm climates. The ideal temperature is around 75°F, so it is probably a good idea to purchase a small water heater. Don’t worry if the temperature isn’t exactly right, 5°F either way should be fine.

Water Level

The general rule of thumb is 1 gallon of water for every inch of fish. So if your Betta Fish is two inches long, you’ll need to give them around two gallons.  Check the water level regularly, especially in smaller bowls. Keep some water handy to top the level up when some water evaporates.

Regular Water Changes

If you have your Betta Fish in a tank then you will change the water as part of your normal tank maintenance. If you keep your Betta in a smaller home, then keep a jug of clean, de-chlorinated water to hand. This will remind you to change it often enough.  Be sure to clean your Betta’s home while you’re at it. Let’s face it, you wouldn’t be happy if your house was filthy, would you?

How to change the water:

Remove your Betta Fish from its bowl/tank and place it in a small dish filled with its old water.  Clean up any build ups on the sides of the bowl/tank and do the same for the accessories.  Don’t replace all of the water at once as this can harm your Betta, change 30-40% at a time. Let the new water get to the right temperature before your put your Betta Fish back in.  Remember to add aquarium salt, water conditioner or anything else that you use.


You should feed your Betta Fish regularly with small amounts, daily if possible. Scoop any uneaten food out after a few minutes, if you leave unused food in the bowl it will rot and could cause health problems to your Betta.  You should be able to get food for Bettas in your local pet shop. Or you can get some good prices on the internet, and have it delivered straight to your door. I get mine from Fish, Fur and Feather.

I have tried to include as much information as I can here. If you are still looking for more information on how to care for Betta Fish, check out some of our other articles about Betta.