Best DIY Betta fish tanks ideas

In this article, we will list the best DIY Betta fish tanks ideas. We will discuss some requirements the tanks require.

Best DIY Betta fish tanks ideas

Here are the best DIY Betta fish tank ideas:

1. Grassy Plants

Plants are one of the most vital parts of a betta’s healthy tank. Plants provide a source of amusement and exploration for your betta fish, as well as help them feel protected and comfortable. Tall, grassy plants are ideal for your betta’s aquarium. Plants like Vallisneria and aponogeton grow tall and provide your betta fish with a grassy, seaweed-like atmosphere.

2. Floating Log

Betta fish enjoy floating objects in their environment and simply hanging out. Betta logs that float are no exception. Your betta will appreciate the sense of security that comes with hanging out in the log, and the log is open enough that you can see your betta.

 Pre-made floating logs, which are often composed of lightweight plastic, are the most cost-effective and convenient solution. Using aquarium-safe materials, you might be able to make one at yourself. However, keep in mind that wood will eventually become waterlogged and sink, so longer-lasting materials such as aquarium-safe silicone and plastic may be preferred.

3. Lucky Bamboo

Lucky bamboo is a fantastic addition to any aquarium! It is tall, fast-growing, and water-loving. Lucky bamboo thrives in aquariums because it may be grown partially submerged. If the leaves are kept above the waterline, it should be able to thrive. By employing a large number of bamboo stalks, you may create a bamboo forest for your betta fish to swim through. To create a relaxing atmosphere, add some sand walkways and a pagoda or temple.

4. Floating Plants

If towering plants aren’t your thing, perhaps some floating plants would do the trick instead. Bettas love to swim through and hide in the long, hanging roots produced by plants such as dwarf water lettuce and Amazon frogbit. Floating plants also provide shade in the tank, reducing algae blooms and providing protection for low-light plants. Floating plants enable bettas to build bubble nests and may even result in pair mating.

5. Leaf Shelf

Leaf shelves are an excellent alternative to floating logs.It is possible to purchase pre-made leaf shelves that suction to the side of your tank, providing a comfortable place for your betta fish to rest and relax. A leaf shelf can have the same effect as floating plants in terms of giving a sense of security that encourages the formation of bubble nests.

6. Four Seasons

If you’re feeling really creative, a “four seasons” tank theme might allow you to include a variety of different themes or designs into a single tank space. This can be accomplished by evenly distributing different substrates throughout the tank, each in its region. 

You can use different sorts of plants from other sections in these varied substrates to create the sense of changing seasons or different settings from section to section. This could be tough to manage because once the substrates have mixed, they can’t be undone. 

To hide any indistinct boundaries between the multiple substrates, rocks, pebbles, or ornaments can be utilized to divide them. Tank dividers are also used by some people so that they can keep numerous fish in one tank, each with its unique environment.

What are the general steps to set up a betta fish tank?

1.   A betta should not be kept in an aquarium that is too tiny for him to roam about in. There should be a minimum of 3 gallons of capacity in the tank. 

2. Tank positioning is the second step. If you want to set a Betta tank on your desk or table as a display, make sure it is out of direct sunlight and away from drafts. Also, avoid spaces over appliances or on top of goods that are regularly moved.

3.   Filtration. Betta fish, like all other fish, require filtration. Corner filters that are operated by air are good. Keep in mind to cycle the filter before bringing your fish home.

4.   If you do not have a cycled tank, the following information applies. Considering that the vast majority of betta keepers do not have a cycled fish tank and instead maintain their bettas in small bowls or tanks, the following information is pertinent to this type of fishkeeper:

o    Betta fish require partial water changes regularly. Ammonia is constantly secreted by betta fish. This ammonia is undetectable to humans, but it is lethal to betta fish. The most common cause of betta sickness and death is not changing the water frequently enough. Never change the entire water supply at once; this will eliminate all beneficial bacteria; instead, make partial water changes. You may either use an ammonia test kit to keep track of it (ammonia levels in a betta tank should never exceed 25 ppm) or follow these guidelines:

  • The water in a 3-gallon tank will need to be changed twice a week at a 25 percent rate. 
  • Once a week, a 5-gallon tank with a filter will require 25 percent to 50 percent of the water. 
  • Once a week, a 10-gallon tank with a filter will use 25 percent of the water.

o   Many pet store care documents are incorrect concerning the frequency of water changes. Despite the fact that they are marketed as low-maintenance fish, many betta fish languish and die in substandard aquarium settings. This isn’t the case at all. An ammonia test might be conducted in order to be certain.

5.   A de-chlorinator (also known as a water conditioner) should be used in conjunction with the water to reduce the potentially harmful chlorine contained in tap water that might otherwise kill your fish.

6.   Maintain the same temperature of the new water as the water your betta was in previously to avoid temperature shock, which can be fatal to your betta. Check the water temperature with an in-tank thermometer.

7.   Heating: Bettas are tropical fish, thus they require a heater to keep them comfortable. The heater should have a power rating of 5 watts per gallon. The temperature should be between 75 and 80 degrees Fahrenheit. 

8.   Bettas don’t need or prefer a lot of bright light, therefore a typical room lamp will suffice. Ideally, any light put above the bowl must be a few centimeters above the bowl to ensure that the Betta has adequate air to breathe, and it should not be left on for more than 10 hours per day.

9.   Substrate: Gravel and sand are popular substrates. Anything sharp that can rip your Betta’s tiny fins should be avoided; if it can rip a pantyhose, it can rip your Betta’s fins. 

10.   Plants. Betta aquariums benefit greatly from the addition of live plants. Java Fern is the greatest choice for living plants, but don’t let it take up too much room in the tank. Silk plants are also beneficial. 

11.   A hood made of plastic canvas helps the fish to breathe while also stopping it from jumping. Bettas are good jumpers, thus a hood is recommended.

12.   Maintaining the cleanliness of your aquarium To keep the water clean and prevent infections in 5–10 gallon aquariums, 25 per cent weekly water changes are required. Water changes must be performed on a more frequent basis in containers less than 5 gallons. Vacuum the gravel but leave the filter media alone. Water should be replaced with water that has the same water characteristics. 

13.   Place your substrate, plants, heater, and filter in your aquarium. Water that has been conditioned (using products like Prime and Tank Buddies water conditioners) and your Betta. 

14.   Having a conversation with a friend. You’ll get to know your Betta’s personality, likes and dislikes, preferred sleeping spot, and so on as time goes on. Interacting with your pet might save his life; by keeping an eye on him on a daily basis, you’ll be able to detect disease early and administer appropriate treatment. Bettas are resilient fish, but they, like any fish, can contract illnesses.


In this article, we list the best DIY Betta fish tanks ideas. We also discussed some requirements the tanks require.

If you have any questions or concerns, please let us know in the comments section below!

Frequently Asked Questions (FAQs): Best DIY Betta fish tanks ideas

Is it possible for bettas to get along with other fish? 

It is debatable. A male betta cannot be mixed with other male or female bettas. They get along with shrimp and Corydoras catfish otherwise. If you wish to add additional fish, you’ll need a larger tank, which will cost more money.

How much of a tank does a betta require? 

For a simple betta, the tank should be at least 3 gallons in size. If you intend to keep a large number of community fish, you may use the following equation to determine whether your tank needs to be larger: For every inch of fully developed fish, one gallon of water should be used.

What size tank do betta fish require? 

They don’t belong in bowls. Instead, they should be housed in a tank of at least 5 gallons of either glass or plastic.” It is possible for the betta fish to participate in usual activity in this amount of space while simultaneously limiting the accumulation of contaminants in their surroundings.

In their tank, what do bettas like to eat? 

Because bettas are territorial and do not get along with other fish of the same species, you may keep your betta entertained with toys, plants, and other aquarium-friendly objects. Bettas enjoy lying on leaves, hiding behind logs, and even throwing balls! 

Is filtering systems required for betta fish tanks?

It takes dedication and a lot of effort to not use a filter. It is considerably better for your Betta to use a filter. When keeping a Betta, not using a filter is a major commitment because you’ll need to conduct more large water changes every week to keep the water from becoming toxic. 

Is it possible for betta fish to survive in tap water? 

Tap water is the best water to use in your tank, as long as it has been conditioned properly. If that fails, spring water should suffice. Purified or distilled water should never be used since it lacks the minerals and nutrients that your betta requires to thrive. A stress coat additive is frequently advantageous.


Stanton, L. 2022. DIY Betta Fish Tank Set-Up Ideas You Can Create Today!

DIY betta fish tanks. 2019.

Setting up a Better Betta fish tank.