and I couldn't smell the leaves and it tasted flat. I have some Airscape containers and also gripstics

I'll have to test it with some Gui Fei oolong, as I've had a 250g bag in my Airscape since Febuary. I hope it hasn't gone weakSlurp wrote: ↑Sun Apr 12, 2020 12:28 pmI imagine it depends on the amount of oxygen. In a ziploc-resealable package or airtight storage container teas seem to stay good after opening for a month or two, probably more if you're not opening it every day to brew a cup. Disclaimer: my observations are based on sencha, not oolong.