Questions tagged [hydration]

Questions about staying hydrated or avoiding dehydration

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47 votes
16 answers
31k views

How can I tell if I am dehydrated or have low electrolytes (need salt, etc.)?

How can detect, in the outdoors with minimal equipment, if I am dehydrated or need electrolytes? Update Some background: I get overheated very easily, possibly because I don't sweat as much as most ...
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58 votes
8 answers
57k views

Does eating snow help dehydration?

I have heard many people say that eating snow actually can increase dehydration since the energy required for the body to heat up and melt the snow is greater than the benefits received from the ...
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23 votes
5 answers
14k views

Ration or consume water?

In a situation where you don't know when you will find water again, is it better to ration the water you have over time (and ever increasing dehydration) or to drink it to quench thirst as soon as ...
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  • 2,924
13 votes
5 answers
2k views

How do I achieve/maintain optimal hydration?

I am curious about some techniques/guidelines for achieving and maintaining optimal hydration while performing moderate to high strain outdoor activities, such as long hikes etc. IOW, how do you ...
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  • 4,063
31 votes
4 answers
6k views

Should I eat when I don't have anything to drink in a survival situations?

I've had a pretty interesting discussion beneath this survival question. A source given in the answer to this question states that you shouldn't eat when dehydration can become or is a problem: (......
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16 votes
4 answers
1k views

How to stay hydrated with minimum water usage

A friend of mine asked a experienced long distance hiker, how to drink during such a hike. The answer was, drink 0.1l water per hour and then you are fine. Is this correct and can anyone add some ...
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  • 2,652
24 votes
13 answers
6k views

What are the advantages and disadvantages of water bottles versus bladders?

What are the advantages and disadvantages of water bottles versus bladders? Is there any reason to prefer one over the other, in terms of health, safety, cost, convenience, or maintenance?
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7 votes
5 answers
2k views

How to estimate remaining water in a hydration bladder?

Are there any tricks to estimate the amount of remaining water in a hydration bladder without pulling it out of the rucksack? Pulling it out is hard and cumbersome with all my rucksacks. In addition, ...
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  • 394
10 votes
1 answer
6k views

Is it a good idea to drink blood to avoid dehydration?

When in an emergency survival situation were you don't have access to clean or at least "okay" water but to wildlife (or it is at least easier to grab a snake for example than to gather water), is it ...
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  • 23.4k
5 votes
1 answer
726 views

How do I reliably diagnose my own dehydration? [duplicate]

Drinking too much (and wasting it) or insufficient water quantity can be dangerous. The current method that I am using to judge if I am doing it correctly is urine colour: clear white - if water is ...
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