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How can I clean the mouth of my water bladder? I've tried soap and water but these colorful spots won't leave. (Osprey hydraulics 2.5L) : r/CampingGear
![Amazon.com: Osprey Hydraulics 2L Backpack Water Reservoir with Bite Valve , Blue : Industrial & Scientific Amazon.com: Osprey Hydraulics 2L Backpack Water Reservoir with Bite Valve , Blue : Industrial & Scientific](https://m.media-amazon.com/images/I/812v5X7uClL._AC_UY350_.jpg)
Amazon.com: Osprey Hydraulics 2L Backpack Water Reservoir with Bite Valve , Blue : Industrial & Scientific
![cleaning - How can I effectively clean the "bite valve" for my water bladder? - The Great Outdoors Stack Exchange cleaning - How can I effectively clean the "bite valve" for my water bladder? - The Great Outdoors Stack Exchange](https://i.stack.imgur.com/f4YKK.jpg)