* Chlorine and chloramines: Tap water contains chlorine and chloramines that are added to kill bacteria. These chemicals can be harmful to betta fish, even if boiled. Boiling only removes chlorine, not chloramines.
* Other contaminants: Tap water can contain other contaminants like metals, minerals, and pesticides, which can also be harmful to fish. Boiling does not remove these contaminants.
* pH fluctuations: Boiling water can change its pH, which can stress bettas and make them more susceptible to illness.
What to do instead:
* Use dechlorinated tap water: You can safely use tap water for your betta after treating it with a water conditioner that removes chlorine and chloramines. These conditioners are available at pet stores.
* Use bottled spring water: Bottled spring water is usually safe for betta fish, but it's best to check the label to make sure it does not contain any added minerals or chemicals.
* Use distilled or purified water: Distilled or purified water is the safest option for betta fish, as it removes most contaminants.
Important Note:
* No matter what water source you use, it's important to dechlorinate it before adding it to your betta's tank.
* Test the water parameters regularly, such as pH, ammonia, nitrite, and nitrate, to ensure the water is safe for your betta.
Always prioritize your betta's health and well-being. Providing them with clean, dechlorinated water is essential for their happiness and longevity.