Guide To Setting Up A 55 Gallon Angelfish Tank!

Guide To Setting Up A 55 Gallon Angelfish Tank - Delcela

Setting up a tank is the first and vital step of fishkeeping. It's an important aspect that you need to ideally do to ensure the health and vitality of the aquarium. Ensuring you set up your tank in the right location will also ensure you have an easier time maintaining the tank. 

At Delcela, we specialize in providing high-end pet products for dogs, birds, reptiles, fish, and almost all other types of pets. 

Due to our line of work, we have years of experience handling questions like "how many angelfish can you have in a 55-gallon tank?" and "how to set up a tank?" So we thought we should address all these questions. In the following passages, you will find a simple guide on setting up a 55-gallon angelfish tank. 

The guide we will give you is perfect for setting up an angel community tank and other freshwater fish aquariums. So let's check it out!

How Many Angelfish Can You Have In A 55-Gallon Tank?

You can have around six angelfish in a 55-gallon tank. That's because one adult angelfish needs about 10 gallons of water to live comfortably. 

Angelfish belongs to the Cichlidae family, and if you don't have enough swimming space or if the tank is overcrowded territorial fights can break out. 

Now, if you are looking to set up an angel community tank, you will need to factor those fish and their needs into the equation. 

If you are new to fishkeeping, we recommend starting with two angels, and once you are comfortable taking care of these fishes, you can start introducing new angels into your tank. 

So now that you know how many angelfish can fit in your 55-gallon tank let's check out the setup guide!

Choosing The Right Location

Choosing the right location is a crucial step when you are setting up your 55-gallon angelfish tank. Ideally, it should be near a power outlet to eliminate the need for extension cords. You should get one power strip with a reset and breaker with enough outlets. 

Safety is a significant factor you should think about here so that if there's a leak, the water won't fall on the outlet and react with electricity to cause a fire. The best place to put the tank would be somewhere that's quiet and away from direct sunlight or an uncontrolled heat source. 

Keep in mind that the location determines how your tank will be displayed. Also, you should factor in the noise. Tanks make noise. It has pumps hum and the water ripples, so your bedroom might not be the right place for it. 

Finally, when choosing the location, you should make sure you place it in an area that allows easy access for regular maintenance. Regular water changes and routine maintenance are essential aspects of fishkeeping, so always leave enough room for it.


The tank stand has to be flat and level. You can go for commercial fish tank stands made explicitly for aquariums. These are excellent choices for your tank, and you can even choose ones that go with your room's decor. However, anything that is flat and level will work for your tank.

Level Your Aquarium

The next step in setting up your 55-gallon angelfish tank is to level it properly. It would be best to put styrofoam or a flexible plastic pad between the tank and the stand to absorb surface irregularities in the stand. 

This step is vital in the setup process because it will prevent stress that causes the glass to crack. Make sure you check if the aquarium is level before filling it up. 

The Substrate

So if you are looking to use an under gravel filter, it's the first thing you have to put in the tank. You will find the instructions for setting up the filter in the packaging. 

As you can guess, these filters need gravel as the substrate because fine sand will clog it up. You should know that under gravel filters don't encourage plant growth. 

Also, if you are looking to set up a planted tank, you should get gravel that's specifically good for plants. Now, plant gravel is a bit more costly than regular gravel, but it is an investment, and it's worth it in the long run. 

Ideally, the gravel needs to be three-inch or more in-depth to ensure your plant is growing. Wash the gravel before putting it in and grade it to be deeper at the back than the front giving an illusion of depth. 

You can put in an air stone under the gravel if you want to see bubbles coming from the gravel. However, angelfish don't require this. Just make sure to hook the tube to it before putting it under the gravel.

Filling Up The Tank

Filling Up The Tank - 55 gallon angelfish tank - Delcela

You have to put in everything like rocks, the heater, internal filter, ornaments, and aquarium décor before filling the tank. 

It would be best to cover the bottom of the aquarium with newspaper or a plastic sheet to keep the water from disturbing the landscape. Pour the water on the newspaper and when the tank is complete, remove the paper.


This step is about hooking up all the accessories like an air pump to power the under gravel filter, décor, and air stones. Assemble the outside filter and attach it. Then put in a thermometer on the opposite side of the heater. 

After that, you should add water supplements to encourage bacteria growth. It would be best if you used a plastic or glass divider to keep evaporating water from getting into the light system in the hood.

Adding The Fish

So that is the end of setting up your 55-gallon angelfish community tank. Once you are done, you should let it run for a few days. It ensures you check the water for pH to see if everything's working perfectly. 

After one week, you can start adding a few other fish you've chosen for a community tank. Do not introduce all the fish at once. Instead, introduce fish a few at a time. After the tank runs for one month, you can start adding the angelfish's primary fish.

Find The Right Pet Products

So there you go, that's how to set up a 55-gallon angelfish community tank. As you can see, the steps are simple, and if you are just a bit careful, you can easily do it. 

However, to set up the tank right, you will need the right products, and that's where Delcela can help you. We have a curated list of pet products that will help you set up the 55-gallon angelfish community tank perfectly. So contact us, and we will hook you up. 

Also, if you have any questions about pet products or pets in general, drop them in the comments below or hit us up on our socials, and we will answer them all for you. And with that being said, that's about all we have for you today. We will come back with something new for you soon. Until then, see ya!

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