Bladder Systems: A CamelBak (Bladder System) can be very useful in any emergency situation. They come in a variety of sizes and allow you to have your hands free while staying hydrated. The bladder systems can require regular cleaning, particularly in hot and humid environments. To prevent mold from developing, you can store most bladders in the freezer. The CamelBak Skeeter Hydration Pack is designed specifically to be stored in the freezer and requires no cleaning. I’ve been storing my CamelBak in the freezer for years and it works great with limited cleaning. Continue reading →