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Leave the barrel at home.

Lugging a wooden barrel around base camp isn’t ideal, although it would add a certain rustic aurora to the water-holding process. But it’d be a lot easier to fill, carry, and pour with the Platypus Water Tank. Plus other campers wouldn’t mistake your water for ale and stage middle-of-the-night barrel attacks. The Platypus Tank has a sturdy carry handle, simple-close Big Zip spout, and a gusseted bottom for upright filling.

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Platypus Platy Water Tank

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Here's what others have to say...

5 5


  • Familiarity: I've used it once or twice and have initial impressions

I like this better than my dromlite bags. Easy to pour water in, zip up is working so far. Spout pour is fast. Great for the table. Folds flat
Just hope I don't lose the cap..

5 5

Awesome bag

  • Familiarity: I've put it through the wringer

Perfect for backpacking. Folds up nicely and doesnt take much room and adds practically no weight. The ziplock top works wonderfully as long as you make sure to seal it properly. I filled it completely up and flipped it upside down with no leaks. Stands up on its own nicely at camp with water in it and the top opening is great for many different uses.

5 5

Great bag

We bought 2 bags, a 4 L and 6 L for the AT trail in GA last month. The ziplock type closure is a little tricky but it was easy to work with but once closed it was leak proof. Loved the wide opening which allowed for east filling and the handle made it easy to pour out of the spout. Highly recommend.

5 5

Good choice

  • Familiarity: I've put it through the wringer

After dealing with some awful cheap collapsible water jugs (the clear red capped type) for kayaking and car camping, I had it. I was sick of their poor performance, inability to stand up on its own, and plastic-tasting water. I decided to upgrade and spend a few bucks. After much research, I decided to give a 4L Platy a try. This has now gone through a full summer season of kayaking and car camping, being thrown in boats, packs, on picnic tables and the ground and it handled it all beautifully. I read some reviews saying the zip-top didn't stay sealed and was unreliable. It was pretty easy to run my fingers along the top sealing it, with a quick inverting of the bottle when done as a test, and off I went. I never had one catastrophic sealing failure.I love this water tank and don't hesitate to recommend it.

5 5

not just for H2O anymore

  • Familiarity: I've put it through the wringer

once the boating party found out i was carrying one of these on my boat - there was a request to cook up specialty cocktails in it every night! great for mixing up big batches of whatever concoction you can dream up. While great for carrying water - the wide-mouth opening, and gussetted bottom for stand-alone ability, makes it ideal for mixing up drinks for large parties too!

5 5

Platy Win

  • Familiarity: I've used it several times

This bag combined with a Sawyer screw on filter is a match made in heaven. Especially if your collecting water from a lake rather than a flowing river or creek. With my 4L platy tank, I filled 7 liters of nalgene a day for 6 days. The seal blew open on me only once, thus learning the pressure limit of the bag. Durability showed well too. I rested it on twig covered dirt, rocky shore etc. No issues. Easy to clean too with the big opening and all. A +

5 5

Excellent water source

  • Gender: Male
  • Familiarity: I've used it several times

I've been hiking with a through hiker for a couple of years now who carries a couple of these on every hike. His are labeled for clean and unsanitized water (cooking, washing, etc.). I've been watching him utilize these effectively to manage his camp duties and efficiently fill drinking and cooking vessels. His behavior is illustrative of someone who's got his system dialed in (after half a year on trail, I guess one would).
I decided to take his lead and picked up an MSR Dromlite bag. Not the best choice. The dromlite is nice and light, has a few options for disseminating the water, but they fall short in a number of ways:

* carrying - the platypus has two carry handles, reinforced by plastic for easy transportation
* freestanding - The platy will stand while the zip top is open and water doesn't spill out. The dromlite can't stand and if you open it up, water will gush out.
* big opening for scooping - scoop a bowl or nalgene full of water right out of the vessel if you like
* pouring - they both have a small opening, pouring feature, but the playpus handle and shape makes it pour just like a pitcher.
* durability - this is TBD. Will the Platypus crystalize? Will the Dromlite last longer? remains to be seen.
I picked up the platy and couldn't be happier. I have an loder platy 1L bottle with a squirt top that can be added to this for even more versatility.

I'll probably keep the MSR for now, but if I need to buy another high volume vessel I am going for another water tank.

Excellent water source
Responded on

what are the dimensions of the platypus platy can't get an answer from the company thanks rex

Responded on

Rex, will check when i get home. First guess is 16" L, 8" high and up to about 6" wide. But will confirm.

5 5

Great water reservoir, no issues with the zip-lock top

I bought two 6-liter tanks for a backpacking trip on the Channel Islands three years ago now. A hell to carry but really worth it, not much water there.
Anyway, I've used them a lot since then just for car camping mostly, and have never had an issue. The zip-lock style top closes easily for me, and as the recommend I flip it upside down to make sure it's properly closed, and I usually don't see a drop.
Finally, as some users have mentioned, it is compatible with the rest of the platypus line which means you can screw a platypus hose on it, or probably their filter although I haven't tried.

4 5

Works well, but doesn't seal easily (if ever)

This little tank is pretty useful, and has been fairly durable. I've had some Platypus products leak after some use, but this thing is going strong, probably because it never spends time full in a pack getting beaten up.

It does its job well, but sealing the top is an exercise in frustration. I'm not sure I've ever gotten the top of it to seal. The little zip lock top has become the butt of jokes for us, and is essentially just aesthetic.

5 5

Great for Car Camping and Backpacking

I think that one of the best uses for this product is to fill it up and freeze it. That way you have got a block of ice that you can put in your cooler. As the water melts you can pour it into a bottle and drink ice cold water. It is also great for backpacking once you get to camp. It is pusher light weight and pack down really small.

4 5

Seals a bit tricky

I love this water carrier, but it is a bit tricky to seal, and you have to make sure it is sealed, otherwise, things can get wet. I used this on a kayak-camping trip in the ADKs, and it served us well. Ample capacity in the 6L for two people, for drinking, cooking and cleaning. Compacts down easily when empty.

4 5


Been using the previous style of this--stood up tall "portrait" orientation--for 5 years of backpacking, and it has been overall well worth the money, more durable than it looks, easy to use and clean. Just this weekend a pinhole developed in the bottom corner of my 5-yr-old bag, so will replace it with this new style if I cannot repair the leak myself. Turning the old version on its side ("landscape" orientation) should cure the old problem of being top heavy and occasionally spontaneously falling over unless on absolutely level surface or less than full. The old-style too-stiff zip-closure top never worked more than a few times but turns out I really didn't need it, anyway--just folded over top to keep out leaves and bugs (maybe this new version zip closure is improved?). I attached a leash to the cap to prevent losing it.

5 5

Best ever fpr camping!!

You can freeze these and then use for drinking water as it thaws. Will last in cooler up to 36 hours. We use 3 of the 2L and sure beats melting ice all over your food!!!

Can you use this with a quick disconnect...

Can you use this with a quick disconnect hose or has anyone tried to attach a quick disconnect hose? My thought would be to filter water straight into the tank, Thank You.

Responded on

Platypus actually makes a gravity water filter kit with the water tanks. I'm not sure whether the quick connect would work in the way you are mentioning though in this case.

3 5

My findings

I bought the 4 liter version, then read the concerns from reviewers. Concerning the integrity of the zip-lock. I filled it with 4.5 liters of water (so full that all you see is a couple of tiny air bubbles) with 105+ degree water. (I wanted to test for warmer conditions so that the ziplock was as pliable as it would ever be.) I bounced it on the kitchen counter, the floor, and I put weights on this bladder to simulate a similar load it could be subjected to at the bottom of my pack. Not one drop leaked from this bladder.
However upon examination, I am still a skeptic of the ziplock. I plan only to open the ziplock when it is absolutely necessary.
My intended use is very long, dry leg, of a Grand Canyon trip.
Empty, the 4L version weighs 3.6oz. Very full (at 4.5 liters) it weights 10lbs-4oz. I can't comment yet on it's durability, but my 3L Platypus Hoser shows no pending problems after many many miles.

5 5

Unexpectadely Great

I purchased this needing a water reservoir for around camp when backpacking. It does that just as expected. Highly recommended for that.

I just finished a short backpacking trip where no water existed at camp - hence we had to haul it all in. We ended up strapping it onto a pack. I was worried it would potentially break and start leaking. Just the opposite, though! It held up very well - no holes or cracks to speak of. Great product!

3 5

So far so good

It does it's job. The top tends to want to stay unsealed though if filled to 3L or more with the 4L bag. And I'm starting to question the durability of this one since their hydration bladder is not up to par. See my review of their bladders. I do like that it's collapsible though. Takes up very little space when empty.

2 5

Zipper Closure

Although very easy to carry water since the handles are strong & comfy, the zipper is not easy to close. It does take a bit of fighting with it so you waste time & some of the water you just collected.