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Step 1
Determine the size and shape of the tank you want to purchase. Take into account how much space you have in your home as well as the amount of time you can put into caring for the tank. The larger the tank, the more maintenance it requires.
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Step 2
Decide what type of fish you want to keep. Do you plan to have a community tank (with several different types of fish) or a species tank (with only one type of fish)? Research the tank requirements for each type of fish you want to have. Some fish are aggressive or more active and therefore need more space.
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Step 3
Buy the largest tank that you can afford and have space for. Bigger is always better because it provides the most comfortable environment for your fish and also gives you a larger margin of error when it comes to water chemistry and other factors.
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Step 4
Visit several different pet stores and fish-specific stores to compare prices on the aquariums you're interested in. Keep in mind that privately owned stores are sometimes willing to negotiate and you may be able to get a better deal than at a larger chain store.
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Step 5
Buy your fish tank and the supplies you will need to set it up. Remember to take the tank home and set it up before you purchase your fish in order to provide the smoothest transition for your new pets.








