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Is Boiled Water The Same As Distilled Water?

September 12, 2025 5 min read

Is Boiled Water the Same as Distilled Water?

It is 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. Boiled water and distilled water are made in very different ways, and the difference matters if you are trying to remove dissolved solids, fluoride, heavy metals or chemical contaminants.

Boiling can be useful in an emergency because it targets many microorganisms. Distillation goes further by turning water into steam, collecting that steam and condensing it back into purified water. If you want to understand the process in more detail, our Water Distillers Guide explains how home distillation works.

Quick answer: Boiled water is not the same as distilled water. Boiling can reduce microorganisms, but it does not remove most dissolved minerals, heavy metals, fluoride, nitrates or many chemical contaminants. Distillation boils water into steam, then condenses it back into liquid so many impurities are left behind.

If your goal is very low TDS purified water at home, a water distiller or steam purifier is the more direct option.

What Does Boiling Water Actually Do?

Boiling water heats it to a high temperature, which can make water safer from a microbiological point of view when boiling is done correctly. That is why boiling is often discussed for emergency situations, travel, storm events or temporary water supply issues.

What boiling does not do is just as important. It does not remove dissolved minerals, heavy metals, fluoride, nitrates or many chemical contaminants. These remain in the pot. As water evaporates during boiling, the concentration of dissolved solids in the remaining water can even increase slightly.

So while boiling has its place, it should not be confused with full purification. It is mainly a microbiological treatment, not a complete contaminant-removal method.

What Does Distillation Do?

Distillation uses boiling as the first step, but it does not stop there. Water is heated into steam, then that steam is cooled and condensed into a separate clean container. Minerals, sediment and many dissolved contaminants are left behind in the boiling chamber because they do not travel with the steam in the same way water vapour does.

The result is very low TDS water that is much closer to pure H₂O than ordinary boiled water. Some home distillers also use activated carbon sachets or a post-filter stage to help polish taste and odour after distillation.

4L countertop water distiller for making distilled water at home

If you want to make distilled water at home without buying bottled distilled water, you can browse our water distiller range for countertop steam purification options.

Boiled Water vs Distilled Water: Key Differences

Feature	Boiled Water	Distilled Water
Process	Water is heated in the same container	Water is boiled into steam, then condensed into a separate container
Targets microorganisms	Yes, when boiled correctly	Yes, as part of the steam purification process
Removes minerals	No	Yes
Reduces heavy metals	No	Yes, many are left behind in the boiling chamber
Reduces fluoride	No	Yes, distillation is commonly used where very low dissolved solids are required
Taste	Still contains minerals and dissolved solids	Can taste flat or neutral because most minerals are removed
Best for	Emergency microbiological treatment	Very low TDS water, CPAP humidifiers where recommended, appliances and drinking water with optional remineralisation

The main takeaway is simple: boiled water is heated water, while distilled water is collected steam that has been condensed back into liquid. That extra collection and condensation step is what makes distillation different.

Which Is Better for Daily Drinking?

For daily drinking, the better choice depends on what problem you are trying to solve. If the concern is a short-term microbiological issue, boiling may be useful. If your goal is very low TDS water with minerals and many dissolved contaminants removed, distilled water is the stronger purification method.

Some people drink distilled water as-is, while others prefer to remineralise it for taste. Because distillation removes minerals, the water can taste flat compared with tap water or mineralised filtered water. Mineral drops, mineral stones or compatible post-treatment options can improve taste for daily use.

If you want high-purity water without a countertop distiller, a reverse osmosis system is a strong alternative because it reduces many dissolved contaminants through a multi-stage membrane process.

Undersink reverse osmosis water filter system with storage tank

For everyday chlorine taste, odour and simple kitchen filtration, many households prefer a benchtop water filter because it is easier to set up and does not require plumbing. If you use an 8-stage style system, make sure the cartridge is replaced on schedule so the filter keeps performing properly.

Stainless steel benchtop water filter on kitchen counter

Boiling, Distillation, Reverse Osmosis or Benchtop Filtration?

Each method has a different purpose. Boiling is mainly useful when you need short-term microbiological treatment. Distillation is best when you want very low TDS water made through steam purification. Reverse osmosis is a good choice if you want a plumbed-in system that reduces many dissolved contaminants. Benchtop filtration is usually the most convenient option for improving everyday tap water taste without full demineralisation.

Goal	Best Option to Consider
Emergency microbiological treatment	Boiling water correctly
Very low TDS water without plumbing	Countertop water distiller
Dissolved solids and fluoride reduction through a plumbed-in system	Reverse osmosis system
Better tap water taste and odour for everyday use	Benchtop water filter or compatible carbon/KDF filtration system

Not sure which option suits your home?

If you want no-plumbing steam purification, start with our water distillers. If you prefer a plumbed-in drinking water system, compare our reverse osmosis systems. For simple tap-connected filtration, browse our benchtop water filters.

Frequently Asked Questions

Can I make distilled water at home without a distiller?

Technically yes, but improvised distillation is slow, awkward and usually produces only small amounts. A purpose-built home water distiller is more practical because it is designed to boil, condense and collect distilled water in a cleaner, more controlled way.

Does boiling remove fluoride from water?

No. Boiling does not remove fluoride from water. As water evaporates, dissolved minerals and fluoride can remain behind in the pot. If fluoride reduction is your goal, distillation or reverse osmosis is a more suitable method to consider.

Is distilled water safe for daily drinking?

Distilled water can be used for drinking, but it has very low mineral content and can taste flat. Some people choose to remineralise distilled water for taste, especially if they drink it every day.

Is boiled water enough for normal tap water?

For most Australian town water, boiling is not usually needed for everyday drinking unless advised by your local water authority. If your main concern is taste, chlorine or odour, a drinking water filter may be more practical than boiling every batch.

Should I choose a distiller, reverse osmosis system or benchtop filter?

Choose a distiller if you want very low TDS water without plumbing. Choose reverse osmosis if you want a plumbed-in system for high-purity drinking water. Choose a benchtop filter if your main goal is better-tasting tap water with a simple, no-plumbing setup.

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