Water conditioners are important to use for all types of fish, as they effectively remove harsh chemicals from tap water.
Stress Coat and SafeStart are popular options for conditioning a tank. Contrary to popular belief, it is best to keep a betta fish in a tank with a filter. This helps circulate the water and results in cleaner water for the fish.
Distilled water should not be used to fill up a betta tank. It's also important to keep the water temperature between 72 and 82 degrees Fahrenheit.Learn more about Aquatic Pets