When your hydration system needs a little polishing, Osprey’s Hydraulics Reservoir Cleaning Kit is the only answer. This kit has everything you need to clean and maintain your hydration reservoir and delivery system, including all the small parts, without scoring or damaging any of the sensitive, though durable TPU materials or hard fittings.

Ideally you use this cleaning kit with warm water and a very mild dish soap mixture. Rise clean thoroughly with cold water, then hang dry.