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Step 1
Decide how many and what kind of fish you want. Remember that keeping many fish or fish that will grow large requires a larger aquarium than a few smaller fish.
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Step 2
Select the size tank needed, based upon fish size and number. Bigger tanks will need a stand and can be hard to maneuver into the home. A larger tank will also need a solid, level floor that can hold the weight of large amounts of water.
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Step 3
Pick the type of aquarium you want. Glass is heavier than acrylic and the edges chip easier, but it's easier to clean and doesn't scratch as easy as acrylic. Acrylic aquariums don't weigh as much and don't distort the view of the fish, but they do scratch.
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Step 4
Shop around for aquariums. Smaller aquariums can be found at many department stores, while larger, higher quality aquariums can be purchased from pet shops or specialty fish stores.
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Step 5
Inspect the aquarium you want to purchase for scratches or chips. If buying a large aquarium, consider buying a stand for it to sit on or build your own. A smaller aquarium can usually be placed on a table or desk.
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Step 6
Buy the aquarium that fits your needs.
