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    Thread: FILTRATION??

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      FILTRATION??

      Just wondering what filtration system/brand is best?
      BSWD745

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      Quote Originally Posted by Bosquestrength View Post
      Just wondering what filtration system/brand is best?
      If you're talking syringe filters, I'd say Whatman (.2 or .22um). If you are going with a disposable vacuum set up, then I'd say Millipore stericups. Also make sure the membrane is PVDF.

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      The whatman are one use per bottle correct??
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      Yes on the whatman filters. I use the Autofil system with a vacuum pump

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      Quote Originally Posted by Bosquestrength View Post
      The whatman are one use per bottle correct??
      I usually get 100ml per filter. After that it gets slower and harder to filter.

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      It depends on the size of the vial and the size of the filter. I assume you are talking about just a 10ml vial. Syringe filters can come in 13,25 and 33mm. 25mm is the most common. When I use to filter unfinished oil, I used (1)25mm filter per 10ml bottle with no problems. But that's me. I'm sure some people run less or more through one before changing it.

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      Use STERILE PVDF or PTFE filters when filtering your gear. If you’re filtering oil-only (GSO, MCT, etc.), without any BB or BA in the oil, then PES filters are fine (some folks pre-filter their oil before brewing).

      PTFE filters are made by Whatman (GE owns Whatman); a company named Millipore makes PVDF filters.

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      Thanks all!
      BSWD745

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      Unfinished oil?
      BSWD745

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      Quote Originally Posted by Bosquestrength View Post
      Unfinished oil?
      It’s an unnecessary step. I’m OCD and paranoid so I always filter my oil prior to brewing. It’s not necessary.

      Moral ale of the story: don’t use PES filters; use only PVDF or PTFE. I studied filtration for 2 months prior to brewing. Filtration and sterility are the most important steps in home brewing

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