Water - Fluoride Removal

Many municipal water systems add fluoride to water for the stated purpose of enhancing teeth development. There is increasing attention to the downsides of fluoride such as brittle teeth, reduced IQ/motivation, and the ineffectiveness to reduce teeth cavities.

Fluoride can be removed by:
distillation,
reverse osmosis filter,
activated alumina defluoridation filter.

Distillation technology is well-known.
Reverse osmosis technology is also well-known.

Would it be possible to radically reduce the high price ($30) of activated filters?
Would it be possible to find some other filter agent that could attach to or precipitate out the fluoride?

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2008.12
1. At this time activated filters are an old technology used by many across the globe to trap all sorts of things. Because it has been practiced so long by so many people and supplied by so many companies across the world, I'd expect it to be about bottom price for the technology. Don't know if anything better will be invented some day. Flourine /flouride technology is very specialized technology due to the element itself and where it sits on the periodic table. It will react with just about everything and anything, so once it is in the water at such a low concentration it becomes an engineering challenge to remove it making the cost a challenge.
2. For the best possible future break through technology, I expect it will be "membrane" technology which is the basis for reverse osmosis. Research in this technology because it is the basis for new sources for fresh water from salt water and space flight development so astronauts will be able to recycle their urine into drinking water, etc.