Originally Posted by
indyfabz
I carry my ground coffee in a doubled up Zip-Loc bags. Don;t see why it wouldn't work for powder. Started doubling after one time when the single bag developed a little puncture. Not fun to have to get coffee grinds out of a pannier. Powder would be worse.
That right there. I haven't tried the PET bottles but I think I'll start because they would be tougher than ziplocs without being that much heavier.