Does Carbon Filter Remove Fluoride

artellan · May 5, 2017

Hi! This is my commencement post on physicsforums. I wasn't sure if it belonged here or in the Chemical science forum, but just picked here.

I am trying to figure out if my drinking water filter system removes some fluoride from my water. (I know it doesn't remove all equally it's not specifically a fluoride filtering system.) It's a dual filter carbon cake undersink system, fabricated past GE (FQSVF is the filter). Although the manufacturer claims that information technology does non remove fluoride, I have read that activated carbon filters may actually reduce 40-sixty% of fluoride in water, especially when fluoride is being added to the water supply in the form of human-fabricated forms of fluoride such as hexafluorosilicic acid.

Hither is a quote from Aquasana.com who brand a similar activated carbon organisation:
"Aquasana systems do remove two of the 4 fluorine isotopes, giving you a twoscore-60% overall reduction. The portion of the fluoride our system filters out is the synthetic portion, while leaving in the naturally occurring fluoride. However, you will non find this on our performance data canvass because of the percent of reduction. Our testing documents only listing those contaminants that have been certified to exist removed at a rate of 97% or greater, then nosotros cannot include fluoride on the listing. "

Does that quote even make sense from you know of water filters? If then, is it reasonable to suspect that my GE organisation would operate similarly with respect to fluoride?

Note my filter specs tin be institute at:
http://products.geappliances.com/ApplPro… [Broken]

Thanks in advance.
Mike
Winnipeg, Canada

meplumber

I am not an engineer, but a plumber. H2o treatment has become higly gov't regulated in both the US and Canada. Most manufacturers only publicize the contaminants that they tin remove above the federal mandates. Which for near contaminants is the 97% that y'all mentioned.

I cannot speak to the chemical processes at play within of the Activated Charcoal/Carbon filters. I feel that I am only qualified to say that removal of synthetic additives is very mutual with water handling systems of all types.

Deplorable that I could not be more than helpful.

Skillful Luck.

artellan

Thanks very much for the reply. I've actually submitted the question to GE customer service, and already got a response maxim they would enquiry it for me. And then hopefully I will get some kind of answer ...

At the very least I tin probably make them explain the statement on the box that it "does non remove fluoride", i.e. does that mean it's guaranteed to not remove ANY fluoride, or merely that it doesn't remove more than than 97% of fluoride (or peradventure, only remove synthetic fluoride).

It's kind of funny, yous'd recall their marketing department would realize that for almost people who purchase filtration systems, removal of fluoride is a PLUS!

Cheers
Mike

artellan

Just noticed a answer from GE in my inbox. I must say I'm impressed with their responsiveness so far (electronic mail on a Sabbatum morning!) ... hopefully their "SmartWater team" that is doing further inquiry will be able to give a useful answer.

Hither is the e-mail:

Good Morning!

Cheers for your assist as well! ... I should be getting a response from our research team here within the next 24 hours.

I have forwarded your electronic mail to our SmartWater team for review and treatment also. They will contact yous as presently as possible to provide farther assist and answer any additional questions you may have.

Thank you again for contacting GE and I apologize for any inconvenience this state of affairs has caused you. I appreciate your patience and please don't hesitate to contact us in the future should y'all need further help. Take a nice day.

Cordially,
...

Appliance Specialist
Consumer east-Response Team
GE Appliances

artellan

Well, in the end GE did not provide any answers, they merely said "we have not made any public statements about fluoride removal".

I actually thought the filter box said "does non remove fluoride" just I checked once again and it doesn't say that (it doesn't mention anything nigh fluoride anywhere). It's actually on diverse tertiary-political party sellers' websites (e.g. filtersfast.com) that it says "FQSVF does not remove fluoride" merely maybe that's not official GE statement.

So, the filter may or may non remove some fluoride; GE is not providing any information on that.

Someone on yahoo answers said that the Aquasana statement virtually fluorine isotopes doesn't make any sense, and therefore they can't be trusted. I'm inclined to think that might be the case. Just it might also be the instance that they did exam and found their filter removes twoscore-60% of fluoride, and it was a not-scientific marketing person who wrote the caption on their website.

So final decision is, my carbon cake filter may or may not be removing some fluoride, and at that place's no manner to find out unless I actually get my water tested!

cyclonis

Artelan if y'all are even so around ...i found some interesting information while browsing and viewing your postal service on this forum...

http://www.cda-adc.ca/jcda/vol-74/issue-v/443.html

Results: Hollow-fibre membrane filters did not affect fluoride concentrations in the fluoridated water, only activated-carbon filters removed some fluoride, specially from the pure-water solution. Filtering a pure-h2o solution with a fluoride concentration of 0.eight mg F/L reduced the fluoride concentration until 210 L of the solution had been filtered. All the same, filtering a tap-water solution of 0.eight mg F/Fifty reduced the fluoride concentration only until eight 50 had been filtered. The concentration of absorbed fluoride in the filter at 10 L of filtration was 4.7 mg/kg activated carbon.

ironically plenty from the Journal of the Canadian Dental Association

but they inadvertently said there are some truths to the carbon filtration. Thats why they are not allowed to talk about information technology because the corp government would **** their pants if people stacked upwardly multiple carbon filers persay down the same line ;)

artellan

Wow, thanks for the information cyclonis. Very interesting. And so it appears that immediately after changing my filter it may be removing a off-white bit of fluoride, merely that such filtration ability falls off quickly the more water is filtered.

Of form, information technology'due south hard to say how much that study applies to my situation (their tests were using sodium fluoride, whereas Winnipeg is using Hydrofluosilicic Acid).

I accept been considering an fluoride filter which tin can be added inline to my existing filter: http://www.pure-earth.com/fluoride-water-filters.htm

And of class, hoping to get a bunch of people to sign the 'fluoride costless winnipeg' petition.

Thanks over again!

cyclonis

No Prob....ironically enough im trying to become my municipality to end fluoride...we accept a fluoride gratuitous toronto site already ;) .... i sent a alphabetic character to york region.

redwhitechem

No, information technology has no touch to remove fluoride. You were wasting money to buy such filter. Besides, fluoride is practiced to teeth,that was why government put information technology into drinking water.

Drakkith

Thread locked for moderation.

Drakkith

I thought so too @hitechem, merely Harvard disagrees. Fluoride reduces IQ. The use of fluoride needs to be stopped until it has been studied more: http://thousand.huffpost.com/u.s./entry/2479833

The report does not back up that the levels of fluoride establish in drinking h2o have an effect on IQ. It looked at levels much higher than that found in drinking h2o.

Since this thread is so old it's been decided to exit it locked.

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