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Aquarium buying guides for filters, lights, heaters and test kits, with setup basics for freshwater keepers.
Expert opinions on the newest products
For a koi pond of 2,000 gallons or more, an external (dry-installed) pump such as...
For most freshwater fish tanks, the best aquarium water pump is a small powerhead such...
For everyday use, the best aquarium heater is a reliable, adjustable submersible with a thermostat...
For an aquascape, the best heater is one you cannot see: an inline heater such...
The best budget aquarium filter is usually an Aqueon QuietFlow hang-on-back for tanks of 10...
The best betta tank in 2026 is a heated, filtered tank of at least 5...
