Platypus Hoser Hydration Bladder

i like this bladder for saving a bit of weight relative to my camelbak bladder, but i made the mistake of taking this bladder on a climb where we were required to melt/boil snow. because this bladder has a small cap opening, it was very difficult to fill out of the pot of boiled water. i should have either taken my camelbak, or ordered the wide-top opening model platy so i could full right out of the pot. my mistake, not the product's. we ended up using a trail mix package fashioned into a funnel to fill this bladder from the pot. apparently it works great with a step down water filter attachement, which is good when you have a non-frozen water source & filter.

good bladder. i bought it because of its price and weight. also, my roommate in college had one and he really liked his. i am interested to see how the material holds up. i have heard that it does well, though.

my only complaint is that the only way to fill it is the small opening on the bottom where the hose attaches. i don't the mind the size of it, but its placement means that i have to completely remove it from my small camelback pack as opposed to simply lifting it 5 inches or so.

I love the versatility of this piece of gear. If you don't have a water supply coming up soon then you can fill it up all the way. If you're crossing streams every 30 minutes then just fill it up to whatever level you like and let it take up less room in your pack. Very lightweight as well. I just wish it had a bigger opening to fill it up but that's a minor setback.

This is a great piece of equipment! It weighs about half a pound less that the CamelBak equivalent and it does not flavor the water. When empty, it rolls up and stows away small. I use mine with the MSR Sweetwater filter and the step-down cap fits it perfectly.

Works fabulous on the trail. Took a 3 day trip and this saved me. Think that the 2 Liter is a perfect size. Will tell others.