Buy distilled water from a grocery store, pharmacy, or hardware store
Use a water distiller machine
Boil water and collect the condensed steam
Use a countertop steam distiller
Check bottled water labels to confirm it is distilled water
Ask a local lab, medical supplier, or auto parts store for distilled water
Collect rainwater and distill it with proper equipment
Use a solar still for small amounts
Filter tap water first if using a distiller with hard water
Store distilled water in a clean, sealed container