Water Filters Australia - Fluoride Removal
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Shock fluoride findings - Fluoride level 'far too high'.
TAP water containing twice the recommend level of fluoride has sparked calls for an immediate halt to the addition of "poison" to the city's drinking supplies. READ MORE
Gold Coast Sun August 12 2009
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Purestream Water Filters
ABN 98 352 771 730
P O Box 130 Southport BC 4215 - Ph 1300 888 429
FLUORIDE REMOVAL - What works and does not work!

With the inclusion of fluoride into many areas of Australia, there is considerable misinformation, or lack of details in claims of fluoride removal.   Claims of 5 – 6 – 7 stage systems using a variety of medium, all claim to remove fluoride. The simple facts are:

1. Fluoride is a mineral and cannot be removed by any type of carbon

2. You cannot take Fluoride out of house water or shower water.

IReverse Osmosis is the only GUARANTEED fluoride removal.. ALL OTHER OPTIONS, see below, offer a very limited removal time 4 - 6 months. It is strongly recommended any consumer considering fluoride removal alternatives to reverse osmosis, ask for more information on HOW THE REMOVAL IS DONE AND CAPACITY.

Firstly fluoride is a mineral and thereby cannot be removed by absorption, as with chlorine etc.  Other options for removing fluoride:

DISTILLATION Personally not recommended as the water has zero minerals and is very aggressive and can leach minerals from teeth etc.  Also tastes dead.


Removes 90% of fluoride for 2000 litres (6 months)  Cost $85 - $100.  Made by treating aluminium ore so that it becomes porous and highly absorptive.  Fluoride bonds with the alumina – some concerns that aluminium can be leached back into the water. Test results show that in order to get the 90% removal water should be run no more than
4 litres a minute.
Some companies are recommending this type of fluoride removal for house water. With households consuming around 200 litres per day per person, an average a 4 persons is approx. 6000 litres a week or over a 6 month period 150,000 litres.As most homes need a flow rate of 30 - 40 litres a minute to service hot water systems etc, , you would need a truckload of Activated Alumina to treat house water for little more than a month.
As this media's effectiveness is capacity, not time related, any increase over the minimum fluoride dose, would reduce the life expectancy considerably.
As this media does not remove any chemicals, must be used in conjunction with a sediment and chlorine removal – triple undersink system.     Expensive to replace 3 cartridges around  $260 pa. 


Fluoride is removed by using a resin, which has been electrically charged to attract both negative and positive minerals. This media is not Fluoride specific so all minerals are removed. A standard 10" cartridge will only filter around 600 - 800 litres, and if not changed regularly will become saturated and dump all minerals back into water. 
They can also produce a fishy taste when the beads sweat which makes water undrinkable.  Again cost is around $80 - $100 dollars and changed 3 - 4 monthly.   Once again needs to be used with triple undersink s does not remove any chemicals
The only truly successful means of removing fluoride is through reverse osmosis, which will remove 95% fluoride, through the use of an ultra fine membrane which separates water molecules producing pure and wastewater. The reason consumers look for alternatives to reverse osmosis is:

They believe it to be too expensive  - $1200 - $2000.  Unfortunately some retailers and door-to-door sellers sell them at this price.  However Purestream has a portable one for $300, which provides unlimited fluoride free water with an annual replacement cartridge cost of $100.  Undersink unit with all fittings and tank is only $560 plus installation.

They are concerned at the water wastage.  In the past ratio between pure water and waste, which includes all the contaminants including minerals, has been 1 pure to 3 or 4 litres of wastewater.  Nowadays with quality membranes, PLUS Purestream's membrane flushing mode to maintain purity, this is down to one for one.  For an average family this is a waste of about 6 - 8litres, or a toilet flush, which is small price for pure water.  There is also ability to save any wastewater, thereby eliminating this concern.

Takes out of minerals.  Unfortunately reverse osmosis is not fluoride specific and usually the mineral count or (TDS) total dissolved solids is around 5 – 6 ppm for the end product. 
There are mineralising cartridges which can be added for around $50 pa, also alkalising and mineralising cartridges which puts back around 80ppm back into the water of good minerals as well as increasing the pH of the water to around 9 and increasing the oxygen (ORP) to around -500mv.

For more information on the Purestream range
of Fluoride Removal Water Filters