Before You Buy An Aquarium
Before purchasing an aquarium consider the needs of the fish that will live it, the care the aquarium will require, and the location where it will be kept. Aquariums should be purchased locally, as shipping and insurance costs negate the benefits of mail orders. That doesn't mean you have to accept the sticker price. Most shop owners will entertain reasonable offers from serious customers.Acrylic or Glass
Acrylic aquariums are very lightweight with smooth corners that do not chip. Acrylic also offers a less distorted view than glass. On the down side acrylic requires a stand with support beneath the entire length of the bottom, and it is easily scratched. Glass is easy to clean because it does not scratch readily, and requires support only along the outside edges of the tank. On the down side, glass is heavier and the edges can chip.Size
The size of the tank dictates the number of fish that may safely be kept in it. A general rule of thumb is one inch of fish per net gallon of water. Thicker bodied fish require more space than slim bodied fish. Generally it's best to go with as large a tank as space and funds allow. Beginners should avoid tanks under 20 gallons until becoming more familiar with the pitfalls of the startup cycle, water chemistry, and fish care. Errors made in larger tanks are less likely to be lethal.

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