Bottled and other water

Water pouring from a clear plastic bottle into a glass, in cool blue light

Is deionised water the same as distilled water?

Part of our bottled and other water guide The steam iron handbook says distilled, the bottle in your hand says deionised. Are they one thing under two names, and what...

Is deionised water the same as distilled water?

Part of our bottled and other water guide The steam iron handbook says distilled, the bottle in your hand says deionised. Are they one thing under two names, and what...

Tall waterfall flowing down a mossy, mineral-streaked rock face into a shallow pool

What's the difference between mineral water and...

Both come from underground sources, but UK law treats them as separate types. Natural mineral water needs official recognition, which Defra says can take up to 2 years, plus a...

What's the difference between mineral water and...

Both come from underground sources, but UK law treats them as separate types. Natural mineral water needs official recognition, which Defra says can take up to 2 years, plus a...

A glass jug of water beside a pan with a glass lid on a kitchen worktop

How do you make distilled water at home?

We found no UK official guidance on making distilled water at home, so we give no method. The nearest UK source, a Royal Society of Chemistry school practical, stops after...

How do you make distilled water at home?

We found no UK official guidance on making distilled water at home, so we give no method. The nearest UK source, a Royal Society of Chemistry school practical, stops after...

Three plain bottles of different sizes beside a glass of water on a kitchen worktop

Bottled, mineral and distilled water in the UK:...

UK law sets out 3 types of bottled water. Natural mineral water needs official recognition and a composition label, spring water must come from an underground source and be bottled...

Bottled, mineral and distilled water in the UK:...

UK law sets out 3 types of bottled water. Natural mineral water needs official recognition and a composition label, spring water must come from an underground source and be bottled...

A glass laboratory flask of clear water beside a drinking glass on a kitchen worktop

What is distilled water?

Distilled water is water that has been boiled, with the steam cooled back into a liquid, which leaves dissolved solids behind. The Royal Society of Chemistry says it should contain...

What is distilled water?

Distilled water is water that has been boiled, with the steam cooled back into a liquid, which leaves dissolved solids behind. The Royal Society of Chemistry says it should contain...

Clear glass of water standing on a rustic wooden surface

How long does bottled water last?

Until the best before date on the bottle, and we found no official UK figure. GOV.UK says best before dates relate to quality, not safety. Once opened, the trade body...

How long does bottled water last?

Until the best before date on the bottle, and we found no official UK figure. GOV.UK says best before dates relate to quality, not safety. Once opened, the trade body...