There is a lot of methods ...
Published by PHETLA MANGENA, Water quality at WEB Bonaire
There is a lot of methods that you can apply in this regards, but it will treat a certain volume of water per day and it will be only for drinking purposes per households. This methods includes the following:
1. Reverse Osmosis,
2. Iron exchange, and,
3. Package plant.
This three is only meant for removing fluorides into water.