Originally Posted by BlackCrayon

its not easy removing fluoride from water with filters. besides reverse osmosis filters, the only one i have ever heard of that might remove it is zerowater filter. they don't claim it does but because their water has zero total dissolved solids, they assume it must remove it. i used it for a while but stopped because i read a bunch of people claiming the filter they use makes the water acidic and aggressive. it removes all minerals and everything from the water making it less useful to the body (or so they claim anyways).