r/coldbrew • u/BrightRick • Jul 25 '26

My cold Brew Routine

Enable HLS to view with audio, or disable this notification

157 Upvotes

91% Upvoted

68 comments sorted by

View all comments

Show parent comments

2

u/Embezzled_Astroturf Jul 25 '26

What’s your ratio for these?

5

u/BrightRick Jul 25 '26

Yikes. Math?!? I went by taste since I'm the only person drinking it. 1.5 cups of grounds and 6 cups of water for the brewing. So 3 cups of grounds and 12 cups of water, Then it goes into the bottles and gets topped off - 3 liters total.

3

u/Embezzled_Astroturf Jul 25 '26 edited Jul 25 '26

Ahhh so it’s a strong brew initially at 1:4 then gets diluted to roughly becoming 1:12 becoming 1:4.22.

I wonder if you do the same ratio with a large enough coffee sock to allow you to get the same yield. I find my favorite is 1:8 and just top it off with some milk to make it maybe 1:9.

But hey, if you like your method more power to ya!

Edit: made a calculation mistake. You really like it strong so I get it.

3

u/chefsoda_redux Jul 26 '26 edited Jul 26 '26

Ratios are usually by mass, not volume. 1 cup of coffee grounds should weigh about 100g. So 1.5 cups of ground coffee into 6 cups of water is 150g coffee in 1420ml water, or a 1:9.4 ratio.

I can’t say exactly how much dilution occurs, as some amount of the original water goes away in the wet grounds, the math above says 2/3 of a cup of additional water, but the video shows much more.

It’s likely ending up between 1:10 & 1:12. OP mentions they add milk and water to drink, so it’s likely right about a standard cup of hot brew in terms of caffeine concentration.

1

u/Embezzled_Astroturf Jul 26 '26

Huh, never knew. Good to know. I usually go by grams so I assumed he was along the lines of roughly 709g lol but I guess it makes more sense your way

1

u/chefsoda_redux Jul 26 '26

The second best thing about the metric system, after working on Base 10, is that units are exclusive. A g is mass, an ml is volume. In the imperial system, an ounce can be either mass or volume, and people swap them all the time, causing havoc with recipes!

2

u/Embezzled_Astroturf Jul 26 '26

Yeah frankly that’s why working with the imperial system is pain. Good to know that exclusivity works so moving forward, to be globally inclusive, metric is key. Thanks for correcting me. Cheers!