Best Aquarium Heaters
An aquarium heater has one job that matters more than every feature on the box: keep the water within a stable, appropriate temperature range for the animals you keep.
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Best Aquarium Lights
The best aquarium light depends on what the aquarium contains.
Best Aquarium Kits
An aquarium kit can simplify a first setup by packaging the tank with several pieces of equipment, but the word kit does not mean everything required for healthy fish is included.
Best Nano Aquariums
Choosing a nano aquarium: size and shape, livestock fit, filtration, heating, lighting and lids, maintaining small volumes, and kits versus parts.
Best Beginner Aquariums
What makes an aquarium beginner-friendly: size, shape and swimming space, glass or acrylic, rimmed or rimless, livestock fit and maintenance access.
Best CO2 Systems
Choosing a CO2 system for planted tanks: pressurized, DIY and disposable options, regulators and solenoids, diffusers, and using CO2 safely.
Best Aquarium Filters
The best aquarium filter is the one that can process waste reliably, move enough water for the livestock, and remain simple enough that you will maintain it correctly.
Best Shrimp Substrates
Choosing shrimp substrate: inert options for Neocaridina, active buffering soils for Caridina, grain size, planted tanks, and cycling new soil.
Best Aquarium Soil
Aquarium soil, often called aquasoil or active substrate, is manufactured substrate designed primarily for planted freshwater aquariums.
Best Aquascaping Tools
Aquascaping tools explained: tweezers, scissors, spatulas and substrate tools, hardscape tools, how to judge quality, and a starter kit.