I don't buy much bottled water but I don't drink tap water. The tap water in the Phoenix area tastes like ass. It's horrible. I get my water from the water store. I use a 5 gallon bottle and it's between 0.25-0.35/gallon depending on what place I go to. Since I don't clean the crock and bottle as much as I should, it's probably not as healthy as tap water but we aren't getting sick from it and it tastes great. The water stores use RO, de-ionization, UV filtering, charcoal filtering, and a couple other methods. It gets rid of all the bad tastes that are in our tap water.
I've tried Brita filters, they are useless. I don't notice any taste change.
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