How to Set Up a Hexagon Aquarium

Aquariums add beauty to your home or office. Watching fish swim around in one is soothing and relaxing to most. Aquariums come in all sizes and shapes including the popular hexagon aquarium. Proper set-up is vital to ensure your fish live in a safe and healthy environment.

Obtain a stand to place your tank on, if it did not come with one. Use a stand created specifically for holding aquariums to handle the weight of it when it is filled with water.

Find a good location to place the hexagon aquarium that is near a power outlet. Keep away from sunny spots or areas with fluctuating temperatures, such as near windows or vents.

Place the stand and put the aquarium on top of it. Attach the background to the outside of the back of the tank using tape around the edges to seal the water out.

Rinse the gravel with plain water in the bucket to remove any dust particles. Rinse all other decorations for the aquarium also.

Add a 3-inch layer of the gravel on the bottom of the tank. Add water slowly using a plate to control the flow of the water going into the tank and be careful not to disturb the gravel.

Fill the tank partially full (no more than about 1/4 full, if you are adding plants) with water treated with conditioner (follow the directions on the bottle to add the proper amount). Add the decorations and plants to the tank.

Fill the remainder of the tank with treated water leaving some space to allow you to place your arm in the tank without overflowing the water, if needed. Install any other equipment, such as a filter, heater (for tropical fish), air stones or thermometers.

Put the cover on the top of the aquarium. Check to make sure the light works.

Turn on all of the equipment in the aquarium to make sure it is working properly. Wait 15 minutes to turn on the heater to allow the thermostat to regulate to the water temperature of the fish tank.

Wait at least 24 to 48 hours before adding fish and only add a few at this time. Allow the tank to cycle naturally for around six weeks or more, before adding any additional fish.


Setting up a hexagon aquarium is the same as setting up any other type of fish tank. The difference in a hexagon tank is the amount of fish it can hold. The tank's capacity is measured by the water surface. Use the link under Resources for easy calculation of this and read the directions provided on how to measure your hexagon tank.

Things You'll Need

  • Aquarium stand
  • Aquarium cover with light
  • Aquarium background (optional)
  • Bucket
  • Substrate (gravel or sand)
  • Plate (optional)
  • Filter for your size aquarium
  • Heater (optional)
  • Air stone (optional)
  • Water
  • Water conditioner
  • Decorations (optional)
  • Plants (optional)
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About the Author

Diane Dilov-Schultheis has been writing professionally since 2000. She is a food and travel writer who also specializes in gaming, satellites, RV repair, gardening, finances and electronics. She is a member of the Society of Professional Journalists and has been published online at the Travel Channel and Intel.