as i mentioned above, this gives you the flexibility to make both hot and cold coffee from the same concentrate depending on the water you cut it with. for those of you who don't have the time to manually brew a cup of coffee every morning, you could cold brew a batch of concentrate and quickly cut it each morning for a quick cup of coffee ready to go.
if you'd like to get a little more about the science behind cold brew, make sure you check out the first cold brew post. 