Is Boiled Water The Same As Distilled Water?

It’s a question that comes up a lot: if boiling kills bacteria, is boiled water basically the same as distilled water? The short answer is no — and the difference matters more than most people realise.

For a full guide on distillation and home distillers, see our Water Distillers Guide. If you’re comparing purification methods, our Reverse Osmosis Guide covers the alternatives.

What Does Boiling Water Actually Do?

Boiling water (100°C for at least 1 minute, or 3 minutes at altitude) kills bacteria, viruses, and most pathogens. It’s effective for making water microbiologically safe to drink in an emergency.

What boiling doesn’t do: remove minerals, heavy metals, chlorine, fluoride, nitrates, or chemical contaminants. These stay in the water. In fact, as water evaporates during boiling, the concentration of dissolved solids in the remaining water actually increases.

What Does Distillation Do?

Distillation boils water into steam, then condenses that steam back into liquid in a separate clean container. Because contaminants don’t evaporate with the water, virtually everything is left behind — minerals, heavy metals, bacteria, viruses, fluoride, nitrates, and organic compounds.

The result is water that’s as close to pure H₂O as you can get at home. Browse our water distiller range for home distillation options.

Boiled vs Distilled: Key Differences

Which Is Better for Daily Drinking?

For everyday drinking, distilled water is the purer option — but for long-term use, remineralisation is recommended. Distilled water lacks the minerals your body needs, so adding mineral stones or drops restores calcium, magnesium, and trace elements.

If you want high-purity water without a distiller, a reverse osmosis system is an excellent alternative — it removes up to 99% of dissolved contaminants and many models include a remineralisation stage.

For everyday chlorine and taste improvement without full demineralisation, a benchtop water filter with our 8-stage KDF system is the most practical solution for most Australian households.

Frequently Asked Questions