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

I can't find the warning on the MSR Miniworks website.

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.

Does MSR use any silver in there linings like Katadyn to
reduce bacteria growth?

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.

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.

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.

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.

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.