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user69121
Am off to a 24 hour ultra race in 3 weeks and will only have v. Limited time to prepare coffee during my breaks.
Is it madness to consider making up a big bottle of coffee concentrate the night before and then prepare each cup from 1/3 concentrate and 1/2 hot water from thermos which I can re fill once or twice during my meal breaks.
The other option is to use thermos hot water in an aero press. I tested the thermos and water was still steaming hot after 24hrs so should be piping hot for the 8 hours or so between refills. Ideally should be refuelling and changing kit on my breaks so this is a bit too much of a faff I think.
If concentrate is fine. What's the easiest way to knock up a large batch? Big Chemex brewer?
I should add I will have my own tent in camp where I take my breaks so all the kit will be staying there not carried