#96419 - 06/02/07 11:27 AM
Product warning: MSR miniworks ceramic elements
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Pooh-Bah
Registered: 04/08/02
Posts: 1821
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Product warning. Today there is a press released in the Netherlands about the MSR ceramic filter used in the miniworks, with model #35422 and 356210. Apparently new tests have detected bacteria to grown through the filter in certain conditions. Cascade Designs recommends you to boil the ceramic after 4 days of use.
Please read the manufacture press release on details, on boiling you ceramic. I have not been able to find this press release other than in Dutch.
the dutch press release can be found here: http://www.vwa.nl/portal/page?_pageid=119,1639824&_dad=portal&_schema=PORTAL&p_news_item_id=22366
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#96420 - 06/02/07 01:07 PM
Re: Product warning: MSR miniworks ceramic element
[Re: Tjin]
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Geezer
Registered: 06/02/06
Posts: 5357
Loc: SOCAL
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I can't find the warning on the MSR Miniworks website.
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#96425 - 06/02/07 05:47 PM
Re: Product warning: MSR miniworks ceramic element
[Re: Russ]
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Old Hand
Registered: 11/27/06
Posts: 707
Loc: Alamogordo, NM
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I think this is good intel because, even if MSR doesn;t have a "recall" or warning-type notice out to the public, bacteria growth in that area sounds plausible.
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DON'T BE SCARED -Stretch
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#96438 - 06/02/07 11:50 PM
Re: Product warning: MSR miniworks ceramic element
[Re: Stretch]
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Addict
Registered: 09/08/05
Posts: 662
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Does MSR use any silver in there linings like Katadyn to reduce bacteria growth?
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Failure is not an option! USMC Jungle Environmental Survival Training PI 1985
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#96534 - 06/04/07 04:41 PM
Re: Product warning: MSR miniworks ceramic element
[Re: falcon5000]
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Enthusiast
Registered: 09/05/01
Posts: 384
Loc: Colorado Springs, CO
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I have one of these, but I am an English-only type of guy (sorry). That first link does not help me much.
Wouldn't this type of problem, if it exists, be a problem with ALL filters?
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#96546 - 06/04/07 05:26 PM
Re: Product warning: MSR miniworks ceramic element
[Re: harrkev]
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Pooh-Bah
Registered: 04/08/02
Posts: 1821
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I have one of these, but I am an English-only type of guy (sorry). That first link does not help me much.
Wouldn't this type of problem, if it exists, be a problem with ALL filters? That's one of the reason why i posted it. Ceramic filters with silver, will probably do beter because silver stops bacteria from growing. But i quess we will have to wait for tests.
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#96552 - 06/04/07 06:14 PM
Re: Product warning: MSR miniworks ceramic element
[Re: Tjin]
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Addict
Registered: 12/01/05
Posts: 616
Loc: Oakland, California
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I am not sure of the validity of the claim... I will have to do some research. MSR makes no mention of it on their site or in recent press releases.
But if you pump some iodine, bleach or CLO2 through the filter every once in a while you will not have any issues with bacterial growth. In fact most bacteria is too big to make it through the filter medium to begin with.
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#96558 - 06/04/07 06:54 PM
Re: Product warning: MSR miniworks ceramic element
[Re: billym]
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Pooh-Bah
Registered: 04/08/02
Posts: 1821
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well the link i added is from the dutch food and ware authority, which is the dutch goverment inspection for any dangerous and/or faulty goods. Which is to me a very reliable source.
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#96571 - 06/04/07 08:23 PM
Re: Product warning: MSR miniworks ceramic elements
[Re: Tjin]
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Old Hand
Registered: 04/05/05
Posts: 715
Loc: Phoenix, AZ
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Thank you for the warning. We have and use an MSR miniworks. We have never boiled the filter but we let it air out (dry) for several days before we put it in storage.
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#96761 - 06/06/07 04:21 PM
Re: Product warning: MSR miniworks ceramic element
[Re: Tjin]
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Addict
Registered: 12/01/05
Posts: 616
Loc: Oakland, California
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Can you please post the info in english? Otherwise it is hard to comment on hear-say. If MSR had a real problem it would probably be MSR who would find it and report it.
No offense but what makes a Dutch version of the FDA such an expert? Whay has no other source confirmed the study? I have searched the web including MSR's site; no mention.
I have sold and used MSR filters (and almost every other major filter / purifier on the market) and never had a problem. In fact the miniworks and waterworks are the most reliable filters I have ever sold.
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#96774 - 06/06/07 06:31 PM
Re: Product warning: MSR miniworks ceramic element
[Re: billym]
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Pooh-Bah
Registered: 04/08/02
Posts: 1821
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Well i don't really like to translate it, because mine english isn's very well, so read and following text is at your own risk:
There has been a modifed manual been released for the MSR miniworks filters and it's replacement elements with model number 35422 and 356210.
under certain situation bacteria can go through the filter, which may cause the user to get ill. To prevent this Cascade Designs recommends you to boil the filter every 4th day of use, according to the direction on the (modified) manual.
For more information, you can contact: C.J. Agencies, Baarn. With telephone number (031)35 542 42 00.
The text from the PDF file.
importent safety warning voor dutch consumers Modified user manual for the MSR miniworks
MSR miniworks portable microfilter and replacement element. Modelnumber 35422 and 356210.
Risk : recent tests has shown that under certain situations, bacteria can grow on the ceramic filter and after four days of use or inproper stporage bacteria can come through the filter, which may cause illness to the user.
Meassures to prevent this: Cascade Designs recommends you to boil the filter, as shown in the manual, every 4th day of use We have made a modified section of the manual for the Dutch consumers (see underneed), with instuction for storage and cleaning of the MSR miniworks filter.
The add on bit of the modified section of the manual:
Boiling out the cermaic element Boil the ceramic element out after foru days of continues use. Also boil it out after long term storage. Especially when it has been stored damp.
1. Remove the Cermamic element for the housing. 2. Remove the rubber ring for the botom of the element. 3. place the Cermamic element element in a pan with water on room temperature. the pan should be large enough to submurge the intire Cermamic element and able to boil it, without boiling over. 4. Heat the pan to boil the water and let the element boil through for 5 minutes. 5. Cut the power/gas off and let the water cool, before removing the element. 6. Let the Cermamic element air dry thoroughly. *this stap can be let out if the element is used again. Boiling it through is needed before storage. 7. Wash all other parts of the filter with hot water and detergent and dry properly. 8. Put the filter back together. importent don't forget the replace the rubber ring on the botom.
When using the MSR miniworks follow the supplied manual and the instructions on this add-on sheeth. Cascacade Designs regrets for the uncomfort. If you have any questions please contact:
Contact Information: C.J. Agencies, Baarn (031)35 542 42 00.
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#96800 - 06/07/07 01:56 AM
Re: Product warning: MSR miniworks ceramic element
[Re: Tjin]
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Addict
Registered: 12/01/05
Posts: 616
Loc: Oakland, California
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PC2K, Cool, Thanks for translating you did very well; I wish I could speak dutch so you are one up on me.
I would not be too worried. When I worked at a local REI we would get customers who would return a filter/purifier with all kinds of mold in it. They obviously did not dry out the cartridge after use which is necessary. Boiling the MSR filter will work but air drying will kill the bacteria too. I would not worry about the bacteria while in the field for a short to meduim-long trips. I bet it would be fine plus in most wilderness it is not bacteria as much as protozoans you need to worry about.
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