Talk:Drum Canister (Transport Use)/@comment-26410405-20150802150255/@comment-25435890-20150802151429

It depends on how much space you have and what expeditions you want to run. I keep enough to run fully drummed 37 and 38 at the same time with a few extra for 2-5 and just lying around. You might want to have enough to run 3 fully drummed expeditions at the same time (21 or 40).