Finding reliable Water Storage for camp is always a juggling act. You want something big enough to last a few days, but small enough to pack into tight spots when empty. Hard plastic containers are sturdy, but they take up the same amount of space whether they are full or empty, which is a killer when you’re packing up your 4WD Storage.
The good
- Double-layer Mylar bladder protection
- Tough 300D polyester exterior fabric
- 6L version weighs just under 150g
- Multiple durable lash points for hanging
- Easy one-handed operation tap flow
The not-so-good
- Not safe for use with hot water
- Fill point can be a bit tricky
- Requires flat surface to stand full
That’s where the Sea to Summit Pack Tap steps in. This is a tough, flexible bladder designed to provide bulk water, literally on tap, that then rolls down to nothing. I put the 6L version to the test to see if this sea to summit pack tap can be the ultimate solution for compact and reliable hydration.
What You’re Getting
A collapsible, flexible water storage bladder featuring a double-layer Mylar bladder, a 300D polyester exterior, and an easy-to-use tap for dispensing water at camp. Available in multiple volumes.
Quick Specs
If you’re ready to dive into the details, here are the key specs for this product. The table below gives you a clear and quick overview of everything you need to know.
| Spec | Details |
|---|---|
| Brand | Sea to Summit |
| Tested Size | 6 Litre |
| Weight (6L) | 124g (Tested weight slightly under 150g) |
| Material | 300D Polyester Exterior, Double Mylar Bladder |
| Dimensions (6L) | 33cm x 33cm (flat) |
| Colour | Blue |
| Features | One-handed tap, Multiple lash points, Food-safe, taste-free |
| Note | Not safe for hot water |
First impressions
My first impression of the Sea to Summit Pack Tap (I tested the 6L version in a nice blue color) was just how light and thin it was when rolled up. It genuinely takes up almost no space in a pack. Unrolling it, the material felt immediately solid and well-built. This isn’t just a simple plastic bag; the exterior fabric felt robust, giving me confidence that it would stand up to being tossed around a vehicle or squeezed between other pieces of gear.
The tap mechanism is securely fixed, and the security cap is a good touch to prevent accidental leaks or taps getting knocked open during transit. It’s clearly designed for practical use, and the multiple lash points around the edges are very handy and versatile for hanging up at the campsite.
Materials & Build Quality
The quality of the Sea to Summit pack tap comes down to its two-part construction. The inner component is a double-layer tough Mylar bladder. Mylar is a fantastic food-safe, taste-free material that keeps your water pure. Having it double-layered gives a real peace of mind against punctures. This inner bladder is then encased in a protective outer layer made of tough 300D polyester. This exterior is what gives the Pack Tap its shape and its high abrasion resistance.
This level of durability is crucial because, unlike a rigid jerry can, this flexible bladder is often going to be squeezed into an awkward space, rubbing up against sharp edges in the vehicle. The combination of the secure inner bladder and the tough outer shell ensures that your water stays contained, even under rough touring conditions.
Ergonomics & Weight
The biggest ergonomic win for the Pack Tap is its phenomenal weight-to-volume ratio. The 6L version I tested weighed just under 150 grams when empty, yet it holds enough water for a solid day or two of drinking and cooking. This makes it a great choice for Ultralight Gear packing. When full, the bladder conforms to any space you put it in, unlike rigid containers. When empty, it rolls up perfectly flat, small enough to slip into a glove box or a tiny pocket in your pack.
The clever design includes several durable anchor points around the edges, making hanging it from a 4WD Awning support pole or a tree branch simple. This gravity-fed setup is essential for easy access at your Camp Kitchen. The one thing to note is that because it’s flexible, you need a flat, level surface to fill it or sit it on before hanging it up.
Performance & Features
The key performance feature of the Sea to Summit pack tap is the tap itself. It’s been designed for easy one-handed operation, which is brilliant when you’re trying to quickly refill a bottle, wash your hands, or boil water for coffee. The flow rate is reliable without being gushing, ensuring you don’t waste precious water. The multiple lash points are fantastic for securing the bladder in your vehicle during rough travel, and then hanging it from almost anything at the campsite, giving you that instant water supply.
It’s important to remember the limitation: the Pack Tap is not safe to use with hot water. This means you must use it for room temperature or cold drinking water only, no pouring boiling liquids into it for pre-heating. Despite this, its convenience as a camp water dispenser is unmatched by anything rigid.
Gear That Complements Your Camping Setup
If the sea to summit pack tap has you rethinking your Water Storage, you might also need other compact gear. To purify water sources into your new Pack Tap, look at our range of Camp Hygiene filters. For use at the tap, check out our Titanium Cookware to keep your pack weight down. If you need a quick way to boil the water for a cuppa, our selection of portable stove systems is worth a look under the Camp Kitchen category.
The Sea to Summit Pack Tap solves one of the oldest problems in camping: how to carry a lot of water without carrying a lot of weight or bulk when the water is gone.
The double-layer Mylar bladder combined with the tough 300D polyester exterior creates a highly durable, flexible storage solution that holds up well against abrasion. The included tap and multiple lash points transform the bladder into a convenient, gravity-fed water station at the campsite. For long trips, hiking, or situations where space in your vehicle is at a premium, this is a truly smart hydration choice. It’s tough, reliable, and folds down to almost nothing when it’s time to pack up.
The Sea to Summit pack tap is best for serious hikers, multi-day trekkers, and vehicle tourers who need a durable, flexible, and ultra-light solution for medium-volume water storage (4L to 10L).
Yes, absolutely. Its high durability, food-safe materials, and ability to compress to a tiny size make it a long-term investment that easily outperforms cheaper, flimsy water bladders and provides far more packing efficiency than rigid containers.
