- a boil.
- Letting it sit for 20–30 minutes.
- Emptying and rinsing thoroughly.
- Boiling fresh water once before normal use.
This helps remove mineral deposits and maintain efficient performance.
Is Reboiled Water Dangerous?
Many internet rumors claim that reboiled water becomes toxic or unsafe.
For most household drinking water supplies, there is no strong scientific evidence that occasionally reboiling water creates a significant health risk.
However, repeatedly boiling the same water can concentrate dissolved minerals and may affect taste, which is why many experts recommend using fresh water whenever possible.