Fantastic idea, which works, but too big - Geigerrig Hydration Pack Engine Reservoir

Was very excited to find this item and to receive it as drinking from most bladders for me is a chore. Pumping air into the bladder is easy but makes it enormous and I truly don't know how you could use this for backpacking, i.e. it'd take up a massive amount of room in a backpack.

When air has been pumped in the water really does blast out (relatively) and this is very cool. This would make th

This review was written in the old system and had content requirements that are different than reviews written today.