Some bottled water also contains fluoride* — one reason some people avoid tap water — and some tap water has more minerals* than bottled “mineral water”.
And one company that’s been put to the test — Nature’s Best — was found to be really not that different to tap water at all.
Australian tap water is tested by government water authorities and there are rules to make sure it’s safe to drink.
Testing at Griffith University showed tap water has a relatively* high concentration of minerals such as calcium* and magnesium*, more than most of the bottled brands, except Fiji water.
Acidic drinks and foods can be damaging to tooth enamel*.
Dr Leusch said anything that said “safe, pure Australian water” was probably just tap water.
Chlorine and fluoride can make water slightly acidic, so lime*, caustic soda* or soda ash* are usually added to make the water neutral, rather than acidic.
What makes up most of the cost of some bottled water, according to Dr Leusch?
Create two list of benefits and disadvantages, one for tap water and one for bottled water.
Time: Allow 20 minutes Curriculum Links: Science Extension: As you have read in the story, advertising is used to make people think that bottled water is better for us than tap water.