Home pro BKK has 3 stage filters or you can do your own w/ 3 single stage filters
use paper, charcoal, and ceramic.
My friend in the usa treated water for a large california city and they did this but on a larger scale then they ran it thru quartz pipes withultra violet light..you can make your own see google....
In Bkk we use just a paper sediment filter on the city's treated water and it is dark green in 3 weeks..we never cook or drink..we use Nestle's bottled for that.
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