Questions relating to obtaining, carrying, or purifying water for use during outdoor excursions.

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7
votes
1answer
39 views

Allergic to Neoprene and need water shoes

Really hoping someone else may be able to help me. I am very allergic to neoprene and am looking for some shoes to wear in water and in the pool. Almost all the shoes have neoprene in them -- so ...
6
votes
5answers
1k views

How to freeze a water container without deforming it?

I like to take a frozen Nalgene bottle of water to my Bikram Yoga class. The problem is, every bottle I have used so far becomes deformed and, as can be seen in the picture below, the bottom bulges ...
5
votes
3answers
210 views

When to perform a filtering of the water?

Let's imagine I'm hiking and I find a water source - like a lake, a stream or a well, and I want to fill my water bottle with it. I have a bottle and a water filter. And a bandana. Since I can't ...
5
votes
1answer
626 views

How to calculate how much sugar to use as antifreeze in drinking water?

Sea water does not freeze until about −2 °C (28 °F) if you add more salt you can lower the freeze point to -21°C. We know from How much sea water can I safely drink? that drinking salt water is not ...
5
votes
2answers
7k views

Replacement tap for Coleman 5 gal. water carrier

We have couple Coleman 5 gal. water carriers. They are nice sturdy canisters, but they have major weak spot: their taps are of poor quality and easily broken — both ours are, and seems like a lot of ...
5
votes
1answer
661 views

How to clean the ceramic filter of a water pump?

We used a Katadyn Vario filter during our last hike in Scotland. It uses a ceramic filter when used in LONGER LIFE modus. The waters in Scotland however have a tendency to be brown (due to the peat ...
4
votes
2answers
185 views

Brown pot from boiling water

Lately, as I boil water in a steel pot, it is making the pots very dark brown, and the inner surface of the pots seems its changed to rough, scrubby. Can anyone help with this? Also, as I was ...
4
votes
1answer
326 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 ...
4
votes
1answer
84 views

What is the name of the water-boiling chemical bag?

There was an invention that allowed you to boil water by putting a bag of chemicals in a bowl with some water and/or food. I don't remember its name and I would like to use it while hiking. (other ...
4
votes
1answer
196 views

How can I tell when water is contaminated with industrial chemicals without any special equipment?

With fracking, chemical spills, and all sorts of environmental nonsense on the rise, water quality can be compromised in some areas. How can I tell when it's not safe to consume even after filtering ...
3
votes
2answers
203 views

Unfreezing cached water bottles

Here's a scenario I was faced with recently. We do a climb that involves going up to a mountain hut and sleeping there the night before summit day. There is no snow at the hut to melt for drinking ...
3
votes
2answers
143 views

Where can I find public water tap for cleaning/bathing in the Netherlands?

We are wandering around Netherlands (on foot, hitch hiking, bicycle). We don't sleep in camping site, we put our tent anywhere "in the bush". We are use to travel on this way in Southern Europe but ...
3
votes
2answers
261 views

What style of camelback hydrating systems exist out there?

For an incoming trip, I am considering buying a camelback hydration system. There are two options available at my local preferred dealer, and I would like some advice on which one to choose. The main ...
2
votes
1answer
1k views

Is it safe to drink hot water? How hot can it be?

Many mountain hikers recommend drinking hot fluids, because they provide a lot of energy. According to the discussion "Does eating snow help dehydration?", the actual calorie gain is minimal, however ...
2
votes
1answer
145 views

What are some emergency water purification methods? [duplicate]

If you're lost in the wilderness (and you've foolishly left behind your handy dandy water purification tablets and water filter), what are some of the best and safest ways to purify water? What do you ...
1
vote
1answer
184 views

What percentage of bacteria in water dies if it is boiled? How clean is it after boiling?

When you boil dirty water, how clean would it be? Is it drinkable?