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Betta Fish Care Guide: Tank Setup, Water Parameters, Diet and Lifespan
A betta needs a cycled tank of at least 5 gallons, water held at 76–82°F, gentle filtration and a weekly partial water change, and this betta fish care guide covers each of those in setup order.
Saltwater Aquarium Tank Formats: How to Choose Size, Glass, and Filtration
Pick the system type before the gallon number: on a saltwater aquarium tank, format decides filtration, maintenance load, and which fish and corals you can keep.
Saltwater Aquarium Setup Cost: What Drives the Total
Saltwater aquarium setup cost is decided less by the tank than by water volume: gallons drive rock, sand, salt and livestock, while filtration and lighting decide the rest.
What Fish Can Live With a Betta: Tank Mates by Tank Size
The quick answer to what fish can live with a betta: small schooling fish, peaceful bottom dwellers, and shrimp or snails, provided the tank is big enough and the betta itself is calm.