Joined: May 2009
Posts: 1,208
Likes: 2
From: Whitestown, IN
Bikes: Fisher Opie freeride/urban assault MTB, Redline Monocog 29er MTB, Serrota T-Max Commuter, Klein Rascal SS, Salsa Campion Road bike, Pake Rum Runner FG/SS Road bike, Cannondale Synapse Road bike, Santana Arriva Road Tandem, and others....
A splash of bleach in a half-gallon of water, fill the bladder or bottle and let it sit for a half-hour or so, then rinse well and leave the caps off until completely dry. I've done it this way for well over 20 year and I've never had a problem. This was actually recommended to me by an RN.