How To Setup A Betta Fish Tank Without Filter

Setting up a betta fish tank can be an exciting and rewarding experience. Not only are you bringing life into your home, but with the right setup, you’ll also provide them with a safe and healthy environment to live in.

But many new pet owners don’t know that filters aren’t always necessary for their tanks – it’s entirely possible to set one up without! In this article, we’ll go over all of the steps needed to make sure your betta has everything they need in order to thrive.

So, if you’re ready to discover how easy it is to give your betta the perfect home, let’s get started!

Choosing The Right Tank

A betta fish tank is a beautiful addition to any home. It’s like having your own little slice of the ocean right in your living room! But setting up a tank without a filter can be tricky, and it requires careful planning.

When deciding on the perfect tank for your betta, size matters. Tanks that are too small will create an environment where waste accumulates quickly, leading to poor water quality. Aim for at least five gallons or larger if you want to keep your betta healthy and happy.

Additionally, make sure there is plenty of hiding spots inside the tank – whether it’s live plants or decorations – as this gives them security and reduces stress levels.

Finally, use an aquarium-safe substrate such as gravel or sand so that their fins won’t get caught in any sharp edges or corners.

Creating A Suitable Habitat

Having chosen the right tank for your betta fish, it’s now time to create a suitable habitat.

Start by filling the tank with water that is between 75-82 degrees Fahrenheit and has been properly conditioned. You should also add decorations such as plants or rocks so your Betta can have places to hide and explore. Make sure these items are aquarium safe, too!

When you’re setting up a tank without a filter, it is important to maintain good water quality through frequent partial water changes. This means removing about 25% of the old water from the tank every week and replacing it with fresh, conditioned water. Doing this helps keep ammonia levels low which can be toxic for your fish if not monitored closely.

Additionally, provide adequate oxygenation for your Betta by using an air pump hooked up to an airstone – just make sure to turn off any circulating filters when doing this as they could harm or stress out your fish. Ultimately, providing clean and well-oxygenated water is essential in keeping your betta healthy!

Setting Up The Substrate

Setting up the substrate for a betta fish tank without filter is an important step that should not be overlooked. It’s essential to provide your betta with a comfortable living environment, so getting this right is key.

The best option would be to use aquarium-safe gravel or sand as these materials are soft and will cushion any falls or jumps if your betta decides it wants to explore its surroundings. Make sure you select small pieces of rock, smooth edges being preferable, so that they don’t damage your fish’s fins.

You can add decorations like rocks and plants too! Live plants will help oxygenate the water naturally, but plastic ones are also fine if you want something easier to maintain. Don’t forget about color though – adding colored stones is a great way to brighten up the tank and make it more visually appealing for both you and your new pet.

Take your time when creating the perfect setting for your betta; ensuring adequate substrate coverage in all areas of the tank means fewer chances for injury or accidents due to slipping on bare surfaces. Your thoughtfulness here pays off in spades down the road: happy, healthy fish who feel secure in their home swim circles around those confined to duller abodes!

Adding Decorations

Betta fish are one of the most popular pet fish and they have an array of interesting colors, patterns, and behaviors. Setting up a tank for them doesn’t have to be complicated; it can actually be quite simple.

To start off, you’ll need some decorations in your betta’s tank — this allows him or her to explore and hide away when feeling stressed out. When adding decorations to your tank, make sure not to overcrowd as this could cause stress for your betta fish. Aim for two-three pieces that won’t restrict swimming space too much such as rocks, plants, driftwood and more!

Additionally, try to avoid sharp edges on any decor items which may injure your betta’s fins. If you want something with color then use plastic plants rather than live ones as these will provide plenty of visual stimulation without posing any risk of water pollution. Once everything is all set up properly you can enjoy watching your beautiful new friend swim around happily!

Installing Lighting

Having decorated your tank with natural elements and other accessories, it’s now time to install the lights.

Lighting is essential for creating a healthy environment for your betta fish. It not only helps them see better but also encourages their activity during daylight hours.

Adding light to the aquarium should be done carefully as too much of it can cause stress or even damage to your pet’s delicate eyesight. Choose an LED aquarium bulb that gives off bright white light resembling sunshine, while keeping its intensity at moderate levels so you don’t disturb the balance in the tank.

This subtle glow will help create an attractive contrast between colors in your betta tank and make it look simply stunning!

Heating The Tank

Betta fish need warm, clean water to thrive. To keep their tank as close to their natural habitat as possible, you’ll need to heat it up and provide a filtration system or regular water changes.

Heating your betta fish tank requires an aquarium heater that is the correct size for your tank – typically one watt of power per gallon of water will do the trick. It should be placed on the side wall and not touching any other objects in the aquarium.

Once set up correctly, adjust the temperature gauge until it shows 78-80 degrees Fahrenheit; then test with a thermometer if necessary. You also must monitor the temperature regularly to make sure it doesn’t get too hot or too cold.

Make sure there are no sudden shifts in temperature, which could stress out your betta fish and cause health issues over time. If you notice temperature fluctuations occurring naturally due to environmental factors like sunlight exposure, consider investing in a timer switch so that your heater turns itself off at certain times during the day.

Taking these steps can ensure your betta’s environment stays healthy and comfortable all year round!

Cycling The Tank

Bettas are beautiful fish, and they make a great addition to any home aquarium. Setting up the tank can be easy – even without a filter! To get started, here’s what you need:

  • A tank of at least 2.5 gallons – enough space for your betta to swim around
  • An adjustable heater that will keep the water temperature between 75-82°F (24-28°C)
  • A thermometer to monitor the water temperature
  • Aquarium salt or recommended dechlorinator

Like all living creatures, bettas need a healthy environment to thrive in. Cycling your new tank is an essential first step as it allows beneficial bacteria to grow and create a balance in your aquarium’s ecosystem.

You’ll want to add ammonia into the tank for about two weeks until nitrite levels spike then fall back down again; this means your tank has successfully completed cycling. During this period, it is important not to feed your betta so as not to disrupt the cycle.

Once finished, you’re ready for adding decorations and eventually introducing your fish! With these steps taken care of, you’re well on your way towards creating the perfect home for your beloved pet!

Introducing Your Betta

Introducing your Betta to its new tank is an exciting moment! After carefully setting up the aquarium, you’re ready to welcome your fishy friend.

It’s important to do this gradually so that your betta can become accustomed to their surroundings and feel comfortable in the water. Place them into the tank slowly and gently, allowing them time to explore at their own pace.

Make sure they have access to plenty of hiding spots like plants or rocks, as well as areas of open space for swimming around. It’s also a good idea to add something that will help keep the water clean, such as live aquatic plants or a bubbler.

This will aid with oxygenation and filtration, helping create a safe environment for your betta while reducing algae growth. Lastly, feed your betta regularly with high-quality food specifically designed for them – pellets are usually best!

With these steps taken care of, you’ll be able to watch happily as your betta explores and adjusts to their new home.

Maintaining The Tank

Maintaining a betta fish tank without filter is not difficult, but it requires regular maintenance.

To keep the water clean and healthy for your fish, you should do partial water changes weekly. Start by removing 20-25% of the water from the tank using a siphon or bucket and replace with dechlorinated tap water that is within 2-3 degrees Fahrenheit of the existing temperature in the tank.

You also need to perform additional cleaning like scrubbing away any algae build up on surfaces like rocks or decorations as well as inside the glass so that light can penetrate throughout.

And don’t forget about testing pH levels once per week to make sure they remain stable! If necessary, adjust accordingly with either an alkaline or acid solution depending on what kind of environment your betta prefers.

Taking these few steps will help ensure your fish lives happily in its home for years to come!


I hope this article has been helpful in showing you how to set up a betta fish tank without a filter.

Setting up the perfect habitat for your betta can be an incredibly rewarding experience, and I’m sure you’ll enjoy admiring your new fishy friend swimming around happily in its home.

Just remember that maintaining the tank is important too – make sure you keep on top of water changes every week or two and watch out for any signs of disease.

With regular care and attention, your betta will live a long, happy life!

Richard Parker

Richard is an avid aquarist and has been keeping betta fish and other freshwater fish since he was a young boy. Through Aquatic Buddy, he hopes to help others learn how to care for their betta fish so they thrive in their home environments.