I got some Sencha green tea that’s supposed to be very healthy for us, but steeping yielded heavy tannin taste. Using cooler hot water helped, but it still wasn’t something I’d look forward to drinking every day. So I tried cold extraction – a half gallon of cold water and about 1/4 cup of green tea in a large mason jar, set in the fridge for at least 12 hours. It’s quite good – light, refreshing, and there’s absolutely flavor there.