What is the ideal time to consume the Coffee Concentrate? Does it start to taste different after a set time? P&R Team November 12, 2020 04:02 Updated Ambient: 3 months Once opened, best consumed within 2 weeks. Related articles Is Coffee Concentrate still safe to drink/use if it's more than 8 weeks? When does your coffee concentrate get dispatched? Why Pioneer? I like Porter St. What is your recommended ratio for an iced coffee? I love the Pioneer blend but is the taste of the Pioneer coffee concentrate similar to the beans? Comments 0 comments Please sign in to leave a comment.