Thread: Syringe filters

Looking for some info, first-time home brewing here, getting my materials ready and was wondering how many times I can use a
.45um syringe filter?

Originally Posted by Hightrain

Looking for some info, first-time home brewing here, getting my materials ready and was wondering how many times I can use a
.45um syringe filter?

I think the issue would be if you reuse the filter at a later date how do you keep it sterilized?

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Originally Posted by Hightrain

Looking for some info, first-time home brewing here, getting my materials ready and was wondering how many times I can use a
.45um syringe filter?

Once .I usually get about 15m thru one.they clog up n get real slow

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I hope it is more then 15m, there 13 and some change on Amazon for one whatman.

You can buy them alot cheaper then $13 each
Syringe Filters - GPZ Med Lab

I would get the .22u filter as that is the industry standard last I looked and will catch much more of what yo don't want ending up getting into you. That is what I have used for many years. I can usually get around 100mls through a filter before it gets so slow and hard to push that I am afraid of rupturing them.

Thanks i will look at that site.

Originally Posted by Hightrain

Thanks i will look at that site.

With unsterile filters you could introduce organisms that you do't want and would only filter out the debri that passes through them. My health is worth a few bucks.

Even if you solve the sterility issue, you still need to think about the membrane and its chemical resistance properties. GE (the makers of Whatman) put out a comprehensive guide to filters....just about everything you ever wanted to know here:

https://www.gelifesciences.com/media...d/16470-source

What are the thoughts on sterile vs. Non-sterile filters