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What is the best type of aquarium?

We conducted extensive research and consulted with four experts in aquascaping and fishkeeping to come up with a set of essential criteria to look for in fish tanks, filters, and lights. We then applied the criteria to the equipment available at major online retailers and selected the products that fit best in seven different categories. Our criteria included:

Tank material: All of our experts prefer glass aquariums over acrylic ones because they don't scratch as easily during cleaning or warp over time. A glass tank stays crystal clear longer.

Tank size: Larger tanks are easier to maintain than smaller ones. "The aquarium, no matter how big, is pretty much a closed ecosystem," said Ganchev. "The smaller it is, the more unstable it will be. In a bigger tank, it will be easier to achieve a more stable environment for a longer period of time." For those who prefer smaller tanks over larger ones, 5 gallons should be the minimum size.

LED lights: All of our sources prefer using LED lights with their aquariums. Compared to fluorescent lights, LED lights are more energy efficient and come in more color and intensity varieties.

Kits: A good aquarium kit should have at least three components: a glass fish tank that holds at least 5 gallons of water, a high-quality filter, and LED lighting. A great aquarium kit may also contain a heater, fish food, and supplies for cleaning and maintenance.

Warranty: Because the cost of aquarium equipment adds up fast, we looked for products with warranties so buyers won't have to spend more money to replace broken or flawed items.