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Material
Typically made from polyurethane or thermoplastic polyurethane. These are lightweight and durable materials. Some reservoirs will come with an antimicrobial treatment to inhibit the growth of bacteria on the inside of the bladder.
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Key considerations
Hydration bladders (also called hydration reservoirs) are an efficient and convenient way of carrying water, helping you stay hydrated in the outdoors. Most sport-specific backpacks are water bladder compatible, making them a worthwhile investment.
Before purchasing a hydration bladder, there are a few key considerations:
What activity will you primarily be using it for
Reservoir capacity
Valve system
Additional storage and features
Benefits of hydration bladders
Why use a hydration bladder?
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Hydration bladder features
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Capacity
How to choose reservoir capacity
Your choice depends on your sport, duration of activity and access to water. The amount you should drink during exercise depends on several factors, including temperature and intensity. As a rough guide, you should consume between 0.5 and 0.8 litres per hour of exercise.
0.5 litre capacity: good for shorter running or walking where lightweight is key. You typically won’t find reservoirs this small, so water would usually be carried with a running vest and two small bottles.
1.5 Litres : a good choice for lightweight hikers and runners. It will be lightweight, but on hot or longer days, you will likely need to refill during your activity.
2.5 Litres: a great all-round choice, offering a good balance of weight and liquid quantity. It is a good choice for hiking or longer runs without aid stations.
3 litres : More is suited to longer hiking trips where you aren’t able to refill water regularly or want to minimise stops.
Valve types
What valve types do hydration bladders have?
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Hydration bladder accessories
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FAQs
How do you clean a hydration bladder?
Wash your water bladder with a mixture of warm water and washing-up liquid, using a brush to scrub the inside. Sterlise using a sterlising tablet and ensure your bladder is always fully dry when not in use. Read our how-to guide for step-by-step instructions.
Are hydration bladders worth it?
Yes, they are a great way to stay hydrated on the go. Offering hands-access to water and encouraging consistent sipping for better hydration.
Can I put a hydration bladder in any backpack?
No, standard lifestyle backpacks won't have the tube routing needed to access your bladder. Most sports-specific packs will be hydration pack compatible.
Can you freeze a hydration bladder?
Yes, this is a great way to prevent bacterial buildup when your hydration bladder is not in use.
How long can you leave water in a hydration bladder?
You should only keep water in your hydration bladder when it is in use. Keeping water and especially sugary drinks in your water bladder will lead to bacteria building up.
Final thoughts
Head in-store for more advice on choosing a hydration bladder.
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