What is the best environment for betta fish?

The best environment for betta fish includes a well-maintained aquarium of at least 5 gallons with a heater to maintain a stable temperature between 75°F and 82°F. They thrive in a tank with plenty of hiding spots, such as plants and decorations, to reduce stress. It's also important to have a filtration system to keep the water clean and to perform regular water changes to maintain water quality. Bettas prefer slightly acidic to neutral pH levels (around 6.5 to 7.5) and should be kept away from strong currents.