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Thread: cold brew storage question.

  1. #1
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    cold brew storage question.

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    so wondering if anyone can give me a bit of advice in regards to shelf life of cold brew.

    since its been stinking hot up here the past few months i've ventured into the world of making cold brew, and am actually quite hooked at the refreshing flavour of a super chilled black cold brew coffee.

    my problem is fridge space. currently im doing batches about 500g at a time varying between 80g-100g per L of water depending on what bean im using, so roughly 5-6L of coffee concentrate i get out of that, that is then diluted with water and bottled (330ml bottles roughly 200ml concentrate 130ml water) they then go in the fridge for me and my wife to take to work.

    im just wondering if anyone has any idea how long i can keep it bottled at room temp? if i bottle say 12 up at a time and store them in the cupboard, before they go in the fridge when we are ready to drink them how long will they last before i have to start worrying about bacteria etc.

    would much prefer to be able to keep a bunch in the cupboard ready to go instead of stacking the fridge full with bottles of coffee I had a laugh.

  2. #2
    Senior Member artman's Avatar
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    Just try it and see what it tastes like after storing in the room. I reckon it will be fine. 12 bottles between two people one a day is only 6 days.

    Cheers
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    Quote Originally Posted by artman View Post
    Just try it and see what it tastes like after storing in the room. I reckon it will be fine. 12 bottles between two people one a day is only 6 days.

    Cheers
    Yeah thanks i figure 1 or 2 weeks max should be ok considering im bottling them. Might lose a bit of flavour but hopefully won't have any issues otherwise.

  4. #4
    Senior Member Magic_Matt's Avatar
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    Pointing out the obvious - it'll last longer in the fridge. Can you free up some space?

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    Quote Originally Posted by Magic_Matt View Post
    Pointing out the obvious - it'll last longer in the fridge. Can you free up some space?
    Should have clarified but we already have a space just for the bottles that stay cold, 12 at a time is the max space we can dedicate to this, so 12 stay in cupboard ready to swap over when needed. So far so good anyway, last batch stayed in cupboard since my last post and went into fridge as needed and no issues.
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  6. #6
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    how long do you let it brew before filtering them out?

  7. #7
    Senior Member Magic_Matt's Avatar
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    Behmor Brazen - $249 - Free Freight
    Quote Originally Posted by rayuki View Post
    Should have clarified but we already have a space just for the bottles that stay cold, 12 at a time is the max space we can dedicate to this, so 12 stay in cupboard ready to swap over when needed. So far so good anyway, last batch stayed in cupboard since my last post and went into fridge as needed and no issues.
    Haha, I figured since you'd asked the question about shelf life that would be the case - but pointing out the obvious is kinda my speciality.

    Another thought; sterilising the bottles should increase your shelf life considerably. Homebrew shops sell either liquid or powder chemical cleaner, or you can use a dishwasher or oven to heat sterilise them. In that case I'd wait for them to cool before filling. Also make sure you fill as full as possible to reduce oxidisation.



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