
Aquariums & FishAquariums & Fish
9.0Do Bettas Need a Heater Review (2026): Specs, Pros & Cons, and Who It’s For
If you’re asking do bettas need a heater , the short answer is usually yes: bettas are tropical fish, and stable warmth matters for their health, activity, and immune function. In cooler rooms, an unheated tank can swing too low at night or in winter, which is why a dedicated heater is often the sim
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