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Thread: THE ULTIMATE cold brew / cold drip thread

  1. #401
    Senior Member LFM60's Avatar
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    He is probably wondering what Sumatra with us.
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  2. #402
    Senior Member matth3wh's Avatar
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    THE ULTIMATE cold brew / cold drip thread

    It's the altitude sickness effecting us mon. Jah! Some mountains are so high they might even make you Blue mon. Peace ✌️

    Don't hate. Don't worry be happy now. I love this Jamaican coffee. They do have a reputation for their mild flavour and lack of bitterness. Taste the smooth Brazen rhythm.
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  3. #403
    Super Moderator Javaphile's Avatar
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    Y'all are cold man, cold.


    Java "" phile
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    Toys! I must have new toys!!!

  4. #404
    Senior Member LFM60's Avatar
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    I'm hoppering this heat wave will finish soon. Feeling like a basket case.

    Roll on autumn.
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  5. #405
    Senior Member LFM60's Avatar
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    Quote Originally Posted by Javaphile View Post
    Y'all are cold man, cold.

    Java "" phile
    If only...........

    Still 29 C at 9pm.
    Last edited by LFM60; 14th January 2017 at 10:08 PM.

  6. #406
    Senior Member matth3wh's Avatar
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    THE ULTIMATE cold brew / cold drip thread

    Saw a lot of chilli and Mexican food today at Taste Fest by the river.

    With all this heat I can't believe no one has spilled the beans yet.
    Last edited by matth3wh; 14th January 2017 at 11:42 PM.
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  7. #407
    Senior Member matth3wh's Avatar
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    Quote Originally Posted by LFM60 View Post
    If only...........
    Still 29 C at 9pm.
    I'm glad this roast has finished. Dropped just as I was about to crack. 1 P2 C after 14 hours of 30+ heat.

    Feeling thankful it's dropped down to 25.

    Hope there's not much degassing to follow.

  8. #408
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    Morning break at work.
    Attached Images Attached Images
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  9. #409
    Senior Member matth3wh's Avatar
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    I washed this bottle out as an emergency backup cold brew stash. Not sure it if will be mistaken by work colleagues.

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  10. #410
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    After tasting an absolutely amazing iced coffee while I was in the US over Christmas, I decided to have a go at cold brewing some myself, purchased a Hario Mizudashi and using 120g of Peru Ceja de Selva brewed in the fridge for approx 12 hours, its turned out a bit weak, kind of flat and certainly doesn't have the great depth of flavour I was hoping to replicate.

    I am pretty sure I had the grind too fine, because when adding the water, it was almost impossible to get the water the flow through (it took a good 20 min just to get the grounds all wet, I did give them a stir as best I could) and I ended up filling the jug via the spout. Any tips on what the grind should be like? I have only ever made espresso coffee in my life, so guidelines I see everywhere else like "a bit finer than what you use for plunger" is useless to me

  11. #411
    Senior Member matth3wh's Avatar
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    Hi Semillon ... what sort of grinder do you have?

    Don't give up just yet. I've had some decent brews with the 1L Hario Mizudashi. One of the more recent / decent brews was a single origin Kenyan Karatina AA bean. Very clear raspberry / jam / coffee mix of flavours. I watched a non coffee snob smell and taste the brew and it was great seeing their pleasant and surprised reaction. They picked the berries.

    So far I typically go for a medium to coarse grind size (that is where each piece of coffee is a few mm's across - see some example pics below).

    I rinse and then fill the mizudashi pot up to 800ml mark with filtered water.
    Then put in the coffee infuser basket/cone.
    Start with 80g of medium to medium coarse ground coffee in to the coffee infuser basket
    Slowly pour in a further 200ml of filtered water stirring through the coffee with a long spoon or chop stick.
    Cover/seal the top of the pot with plastic wrap to keep out air/bugs/fridge smells.
    Put the Hario pot in the fridge for 12-18 hours.
    After the 12-18 hours remove the coffee infuser basket.

    extra pic https://www.coffeespout.co.uk/wp-con...-10-grinds.jpg






  12. #412
    Life-long Learner DesigningByCoffee's Avatar
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    Sounds like too fine on the grinds and possibly ratio to water too low?

    Depending on your grinder, if you have 'numbers' marked and you swing say 1/2 to one number in the espresso range you normally use, then moving 2-3 numbers away might get you into the range for filter/plunger. It is quite a swing.
    On my Lido I move 6 notches away from espresso for aeropress/coldbrew and 7 for plunger. On the Robur, it is very different. I'm on 7ish for espresso, then move to 8-8.5 for plunger. But the swing on this grinder matches its size - I only move about 1/4-1/8 number in the espresso range, so proportionally it is similar

    Also, the ratio Hario give for that method (80g to 1 litre) will give a very mild, iced tea kind of strength, which some are after. For good iced coffee strength, I work on a 1:4-ish ratio. How this will work in you pot i'm not sure - but 120g to 500ml would give you much more potent results - but may only 1/2 fill the pot and not immerse the filter?

    You can't really go wrong - just keep playing!
    Cheers Matt
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  13. #413
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    Thanks for the advice and clear photos of grind sizes! I used something close to "medium-fine" from the picture.

    My grinder is a Kompak K3-Touch, no numbers, though I did just find this helpful image here on coffeesnobs:


    For this batch I had it set around the "right" side coffee bean marker from the image, will swing over toward the "left" side coffee bean marker and see how it goes.

    I noted the recommended 80g coffee for 1L of water from Hario seemed quite low, and did see a bunch of internet sites suggesting 100-120g for a more robust result, which is more what I'm after, thus I tried with 120g of coffee on the first try.

  14. #414
    Senior Member matth3wh's Avatar
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    Something to note with the Hario Mizudashi coffee immersion basket. When I fill it to 80g it's probably 3/4 full.

    So it's likely that 120g would be close to the upper limit of what you'll be able to fit in the basket.

    I'll give it a go tonight and see how much coffee I can get in the basket

  15. #415
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    Quote Originally Posted by matth3wh View Post
    Something to note with the Hario Mizudashi coffee immersion basket. When I fill it to 80g it's probably 3/4 full.

    So it's likely that 120g would be close to the upper limit of what you'll be able to fit in the basket.

    I'll give it a go tonight and see how much coffee I can get in the basket
    120g is pretty much the upper limit as the coffee expands initially with the water - at least this was the case with my overly fine grind.

  16. #416
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    Just having my first glass from the second cold brew attempt, this time I used 100g of a "medium" grind (approx 1-1.5mm diameter grinds), 1L of water, approx 14 hours. The beans were once again Peru from our host, 1.5 weeks post-roast.

    Its better, however not a rich and detailed coffee experience. Some hits of mellow cocoa notes, but no body to speak of.

    Any suggestions no next steps?

  17. #417
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    Hi Semillon, I have a Tiamo setup so my process might be different but I use a med-fine grind and use 95gm to 800ml of water. I soak the top and let it soak through until it starts dripping, sometimes 1hr after I start. There is no quick way. On average it takes about 6hrs for my CD to finish but different beans flow differently even though the grind I use is exactly the same.

    Have you tried other beans? You will find that the Peru (IMO) is quite mellow at the best of time and might not give you the results you are after. Maybe try a different bean and play around with how dark and light you roast the beans.

    There will be a lot of suck it and see until you find what works for you.

  18. #418
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    Third cold brew attempt, this time 100g of Brazil Bourbon using a coarser grind (approx 2mm diameter) and 1L of water for 14 hours.

    Very similar to the last Peru batch, its good and refreshing but lacks the detailed notes that I get if making an espresso with the same beans. Essentially the same quality as the last cold brew batch.

    Am I likely to get a richer and more detailed result with cold drip? Or are there other things to try with the cold brew approach...

  19. #419
    Life-long Learner DesigningByCoffee's Avatar
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    THE ULTIMATE cold brew / cold drip thread

    Hi semillon
    You're still using the same ratio, so you're unlikely to see much difference from your other batch.
    Try 1:5 for extra strength - maybe less water? Or just try a plunger for proof of concept
    Cold drip will give very different results - much cleaner, sharper and more acidic. This would not likely give you better ice coffee though ...
    Cheers Matt

  20. #420
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    Hey all, I bought a DutchQ Cold Drip setup a little while ago. It's a beauty - filtered water with filtered ice blocks fed over my roasted, coarser ground than normal Sulawesi bean, top and tailed with 64mm single use paper filter. I'm enjoying drinking it Vietnamese style, with crushed ice and sweetened condensed milk. What I am totally amazed by are the different nuances of the coffee when extracted over many hours - cold vs. espresso shots, delivered quickly and obviously under pressure.

    For instance, I have a overwhelming flavour reminiscent of stonefruit/nectarines with my cold coffee. Has any other cold press/cold drip fans here experienced that nectarine taste??
    Last edited by Kettles; 27th March 2017 at 07:47 PM.
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  21. #421
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    Thanks everyone for your suggestions on building a DIY drip machine.

    Here is my low cost, DIY machine.

    Components are:
    Wood offcuts - painted
    1 litre Moccona glass bottle
    1.25L soft drink bottle, with small hole in base.
    Bunnings adjustable irrigation dripper
    Can - any will do
    AeroPress filter off ebay - $3.50

    Main issue i have is with the can rusting a little. I need to find a more long term receptacle for the grinds.

    My first batch was way too over extracted, with the result being an acidic brew. 1L for the 120g was way too much water.

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  22. #422
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    Hey guys, I was really hoping I might be able to get some recommendations on a good drip machine to buy? I've been buying cold brew coffees at my supermarket but want to start making my own, ideally being able to make 600-1L at a time. I've had a recommendation for the Bruer Cold Brew System but reviews aren't amazing looking at the bulk on Amazon. I would love the Trinity One just for my ego and look of it, but been told by a salesperson that the quality and ease would not be as good if I'm primarily after cold drip. Would maybe consider one of the more expensive larger bamboo/wood ones if they're worth it and would suit our decor . But any recommendations would be amazing because there are a decent amount around and it's hard to find reviews for most of them.
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  23. #423
    Senior Member Magic_Matt's Avatar
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    Quote Originally Posted by Power View Post
    Hey guys, I was really hoping I might be able to get some recommendations on a good drip machine to buy? I've been buying cold brew coffees at my supermarket but want to start making my own, ideally being able to make 600-1L at a time. I've had a recommendation for the Bruer Cold Brew System but reviews aren't amazing looking at the bulk on Amazon. I would love the Trinity One just for my ego and look of it, but been told by a salesperson that the quality and ease would not be as good if I'm primarily after cold drip. Would maybe consider one of the more expensive larger bamboo/wood ones if they're worth it and would suit our decor . But any recommendations would be amazing because there are a decent amount around and it's hard to find reviews for most of them.
    I know the guys at Trinity Coffee are working on a cold drip mod as an optional extra - in the meantime you can use it for cold drip with about $1.50 worth of parts (water bottle and irrigation sytem dripper from Bunnings).

    Of course, you can do the same with a $40 Aeropress... or if you want something specifically for cold drip, the Bruer does seem to get a good wrap around here. IIRC, it has some smarts in the drip system to maintain a consistent drip rate irrespective of the water level - which is a problem for pretty much all the others AFAICT (and definitely for the ghetto setups mentioned above...).

    Doing some googling I also came across a glass Hario cold drip setup that looks very nice... Must. Not. Spend. More. Money. On. Coffee. Gear.
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  24. #424
    Senior Member matth3wh's Avatar
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    Thank you brother Matt for sharing. The first step is to admit we all have a problem.

    I'm not going to switch apps and google for that Hario cold drip setup. Nor am I ordering it.

    Kidding ✌️ or am I?

    On a different note if you want a cheap/functional immersion style cold brewer you can try the 2L T2 jug. Seals up nicely for storage in fridge. Just ignore the instructions about tea infusing.
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  25. #425
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    Ultimate cold brew

    Behmor Brazen - $249 - Free Freight
    My ultimate cold brew is an espresso stout home brew haha

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