As mentioned by others here, ...
As mentioned by others here, a couple of options would be inexpensive point of use reverse osmosis systems(best). Bone char and activated alumina (second) these products have a limited life and will become exhausted, needing replacement. Calculations based on the amount of Fluoride and estimated daily water usage will project active media life expectancy. Anion media (poor) does not have a strong affinity for Fluoride, any other anions in the water will be removed first and occupy the reception sites.
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Hi Terry,
For low-cost removal of Fluoride you will need to compare the cost of high tech reverse osmosis systems to low-cost other treatment, like the Nalgonda technique using Aluminium Sulphate and Lime.
Regards,
Erik Thorbjorn Norremark
Published by Erik Noerremark, Eng.