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What are the Mineral stones used for releasing minerals into drinking water?

+1 vote

What are the stones that are used in Water filters that release minerals into the water? Where are they from? How long do they release minerals for? Is there a lifespan? What happens if you boil these stones?

asked Nov 14, 2014 by bushtelegraph007 (130 points)

1 Answer

0 votes
for example Magnetit filter out arsenic from drinking water,
answered Sep 3, 2015 by anonymous

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