In most places, tap water is less toxic than bottled water. Bottled water, except for the high-end stuff, comes out of a tap. Then it gets put into a plastic container that leeches toxins into the water for the entire time it is filled. Then you drink it, thinking you are doing yourself good, while paying a thousand times more for it than for water from the tap.
Bottled water you buy in the shop is same tap water just sold to you in a bottle.
If you want to have proper water without all the crap they put in it, invest in a Reverse Osmosis Filter.
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