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Fish tanks are living ecosystems that are beautiful to look at and rewarding to maintain. The hobby can be an expensive one, though, so it's important to understand the requirements of the fish species you're interested in before purchasing a bunch of equipment.
Different fish have different needs for tanks, filters, and lights. For example, some fish are freshwater natives while others live in saltwater. There are also fish that prefer cold water to warm. In addition, different fish thrive in tanks of different sizes.
If you are new to fishkeeping, it can be daunting to find the right products for an ideal fish tank habitat. To learn about the essential qualities of aquariums, fish tank filters, and lights, we spoke with four people who are experienced in aquascaping and fish care. With their advice in mind, we combed through the aquarium equipment available at major online retailers to choose the best fish tanks and accessories.
Learn more about how Insider Reviews researches and tests pet products.
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Best fish tank overall: Aqueon LED 20 Aquarium Kit - See at Chewy
The Aqueon LED 20 Aquarium Kit comes with everything you need to start a new fish tank, including a heater and thermometer.
Best betta fish tank: Fluval Flex Aquarium Kit - See at Amazon
The sleek, modern Fluval Flex Freshwater Kit has 15 gallons of betta swimming space and LED lights to highlight your stunner in almost any hue.
Best 5-gallon fish tank: Marineland 5 Gallon Portrait LED Aquarium - See at Chewy
The Marineland 5-Gallon Portrait Kit includes an affordable tank, three-stage filtration, and LED lights that shine like the sun or moon.
Best 10-gallon fish tank: ADA Cube Garden 45P Aquarium - See at Aqua Forest Aquarium
The ADA Cube Garden 45P Aquarium, which is made of ultra-clear glass, has no rim or plastic frame to mar its beauty.
Best 20-gallon fish tank: Aqueon Glass Aquarium Tank 20 Gallon - See at Petco
The 20-Gallon Aqueon Glass Aquarium Tank is an affordable option with barely visible silicone edges that maximize the view.
Best fish tank filter: Oase BioPlus 100 - See at Petco
The energy-efficient Oase BioPlus 100 fish tank filter has three adjustable water flow settings and comes with a warranty of up to four years.
Best fish tank light: Current USA Satellite Freshwater LED - See at Chewy
Current USA's ultra-thin, adjustable Satellite Freshwater LED has more than 100 LEDs that can shine in seven different atmospheric modes.
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