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  1. #1
    Junior Member
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    Filtering cold brew (and other suggestions for brewing)

    I don't see a forum dedicated to brewing coffee, so I am posting this here.

    I have recently started making my own cold brew. I start with coarsely ground beans. I'm using Major Dickenson's blend from Peet's. I am adding just under 2 cups of coffee beans to 10 cups of water. This is combined in a large plastic container and set in the fridge for 24-48 hours. My problem has been filtering the brew. I have used a wire mesh sieve lined with cheese cloth, but this is still just a bit too porous as I end up with sediment at the bottom of my pitcher. I have also tried coffee filters, which are much cheaper, but the filter gets clogged and it takes a much longer time to filter my coffee this way.

    Any suggestions?

  2. #2
    Senior Member
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    May 2014
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    Kansas City
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    IMO - The best/easiest way is to buy a nylon food grade bag. Simply place the coffee in the bag.. add a bit of water and stir to get the grinds wet).. place the bag in your container and fill with water. You can find them on amazon - just make sure to find a bag with a rating off 40-100 micron. The smaller the micron the less fines / but it also doesn't allow the water to flow through the bag very well. I sell bags as part of my cold brew kit that are 80 micron.. seems to do the trick and just leave minimal fine silt. Some people still run it through a coffee filter but I find it a bit of a waste of time. It certainly filters out a bit of particles but I don't notice a difference in taste.

  3. #3
    Junior Member
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    Yeah, this was a great way to go. Super easy and super fast. There was a little bit of sediment at the bottom of the container I used to "brew" my cold brew. But it was heavy enough to stay at the bottom when I transferred my coffee to a pitcher. Clean up was easy also. Thanks for the tip!!

    Quote Originally Posted by Musicphan View Post
    IMO - The best/easiest way is to buy a nylon food grade bag. Simply place the coffee in the bag.. add a bit of water and stir to get the grinds wet).. place the bag in your container and fill with water. You can find them on amazon - just make sure to find a bag with a rating off 40-100 micron. The smaller the micron the less fines / but it also doesn't allow the water to flow through the bag very well. I sell bags as part of my cold brew kit that are 80 micron.. seems to do the trick and just leave minimal fine silt. Some people still run it through a coffee filter but I find it a bit of a waste of time. It certainly filters out a bit of particles but I don't notice a difference in taste.

  4. #4
    Senior Member
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    MA
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    658
    Along with using a brew bag you can go one step further and install "The Clairifier" filter that Brewers use. Works great. JMO
    Charlie
    If you are afraid of failure or losing money, quit while you are ahead

  5. #5
    Junior Member
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    Oct 2014
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    Ellettsville ,Indiana USA
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    Go get a Yama cold brew system and bypass all the messy steps .
    makes great cold brew and then you can keg it and charge with Nitrogen gas and make it even better.

  6. #6
    Junior Member
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    Oct 2014
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    Ellettsville ,Indiana USA
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    We Roast Global Coffee Beans for Local Human Beans
    Heritage Trail Cafe and Coffee Roaster
    206 N. Sale St.
    Ellettsville, IN 47429

  7. #7
    Senior Member
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    Quote Originally Posted by chast View Post
    Along with using a brew bag you can go one step further and install "The Clairifier" filter that Brewers use. Works great. JMO
    I may have to try one of these... for my keg'd product I filter through disposable filters but that adds up $$$... the stainless "Clarifier" would be worth the investment I think.

  8. #8
    Senior Member
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    Quote Originally Posted by Beanhunter54 View Post
    Go get a Yama cold brew system and bypass all the messy steps .
    makes great cold brew and then you can keg it and charge with Nitrogen gas and make it even better.
    Make sure that's allowed by your health dept... they cracked down in our area. They now have to be used refrigerated to prevent bacteria growth.

  9. #9
    Senior Member
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    Mike the filter works great. I plan on playing with beer starting next month and just ordered a Spike Conical fermentor. Using that also for cold brew I can fill my soda kegs Direct through the couplings with nitro. No contamination.
    Charlie
    If you are afraid of failure or losing money, quit while you are ahead

  10. #10
    Senior Member
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    Quote Originally Posted by chast View Post
    Mike the filter works great. I plan on playing with beer starting next month and just ordered a Spike Conical fermentor. Using that also for cold brew I can fill my soda kegs Direct through the couplings with nitro. No contamination.
    Is Spike shipping the fementor's yet? They looked rock solid. I went down the 'research path' about a month ago (I was going to expand into kitchen).. another reasonable priced option is the SS Brite Tank.

 

 
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