Tank setup and equipmentComplete guide
What Size Tank Does a Betta Fish Need? The Honest Answer
Bettas need at least 5 gallons, not a bowl. Here is what tank size actually changes, what welfare guidance says, and why the cup was never the plan.
What this section covers
- Tank size and shape
- Heaters and temperature control
- Filtration and flow
- Lighting and substrate
- Live plants for betta tanks
- Decor, lids and fin safety
- Complete builds by budget
Complete guides
Tank setup and equipmentComplete guide
How to Set Up a Betta Fish Tank: Step by Step
A complete betta tank setup in order: what to buy, how to assemble it, how to cycle it, and when the fish actually goes in. Nothing skipped.
