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Alex Hilt
> 3 dayWorks good and keeps bladders cleaner. Simple to use. Only thing I have come across is they are a little short for 2.5+liter bladders. Probably work great for standard 2 liter bladders.
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Court in GA
> 3 dayI had to modify mine to fit my Camelback reservoir (it has a rib running down the center, so I followed the instructions and carefully cut a slot). I wipe out my reservoir with a paper towel and then leave the BonDry in for a few hours to complete the wicking of the residual moisture. Effective!
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JenLY
> 3 dayThis is a great invention. I always struggled to dry the inside of my hydration bladder. This little gadget does the trick in no time. It works amazingly well!
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krizzo
> 3 dayI have some off-brand reservoir with a pretty small circular opening. Ive tried other reservoirs or drying systems but it always just collapses on itself. Until now, Ive been drying it by leaving it on the counter for several days, propped open with a combination of kitchen utensils and the tubing. My Bon Dry came last week, I tried it for the first time on Sunday and I swear it was dry in under 4 hours. Because of the opening I had to bend it in half to fit inside, but it still worked. Im so excited to get my counter space back!
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Mari
Greater than one weekI dont think I EVER got my hydration pack fully dry before I bought this thing, thanks so much!
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JMK
09-06-2025This is pretty cool. Ive used a few times and it definitely helps absorb residual liquid from my hydration pack. (I have an Osprey 3L bladder with the fold over top)
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Fred W Masterson
Greater than one weekAwesome product, I have bought several for myself and my friends
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DJZee
> 3 dayThe insert is not as sturdy as I thought it would be. folds and deforms after one use, but still seems to be doing the job on absorbing the moisture.
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punkrockviking
> 3 dayWorks surprisingly well! I used to have a whole elaborate hanger system and Id have to stuff a washcloth into just the right spot to dry my water bladders. This thing is so simple that at first I didnt think it would work. Just stick it in with part of it hanging out of the bladder. Thats it. No fuss, just a super simple, super effective product. I wish I had this 20 years ago
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Greg
Greater than one weekWorks great. Dries my reservoir easily.