If you are concerned with contaminants such as excess fluoride in your home drinking and cooking water, you may be interested in using an under-sink Reverse Osmosis filtration system. These systems make sure that your water is squeaky-clean before it comes out of the tap, but there is a price and it may not be what you think.
Because they do not use electricity, and many brands of these filters are incredibly efficient, the replacement and operating costs seem quite minimal.
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