A lot of people are pushing reverse osmosis filters, which are great, although you do have to replace the filters regularly and as said, there is waste water produced.
was not entirely correct however when he said "nothing else will work". Another very effective way to remove fluoride is through distillation. A small household distiller (this is the one I use) can be purchased for about 75% of the cost of the reverse osmosis filters. The drawback is that you need to make one pot at a time, rather than it coming out of the kitchen tap like the reverse osmosis filters do. However there is no installation and minimal upkeep, you can make unlimited pots as long as the thing doesn't break. That keeps me confident that I will continue to have clean water even if I can't get filters for whatever reason. It is also extremely satisfying to clean it, because you can easily see all the nasty crap that came out of your water before you distilled it.
I prefer to leave my kitchen tap as it is and use that water for washing dishes and clothes, and I make pots of distilled water that I pour into glass bottles that I keep for drinking or cooking purposes in the fridge (makes me feel better about not using plastic).
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