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Before You Buy An Aquarium

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Before buying a new 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.

Shape

Not only the size, but the shape of the tank also affects the number of fish it will support. Most of the oxygen enters the water through the surface, so larger surface areas result in more oxygen entering the water. Avoid tall thin tanks, and opt for longer ones. The extra length will also give the fish more room to swim than in a tall aquarium.

Combination Packages

Many aquariums are now packaged with filters, lights, and heaters. Combo systems like the Eclipse are excellent, and are well worth the money. Package deals that simply combine separate products are a mixed bag. Sometimes items that are not needed, or are of inferior quality, are included. On the other hand, some are a good bargain. Before choosing one, decide what you need and price the items separately.

Stands

Aquariums are heavy once they are filled with water. Before you purchase one, make sure you know where you will place it. A filled 20-gallon glass tank will weight about 225 pounds. Generally aquariums 15 gallons and under can be placed on desks or other sturdy furniture you already have around the house. It is wise to consider purchasing a stand for aquariums 20 gallons or larger. Stands are available in a variety of colors and materials, from wood to metal.
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