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10

Filter the water right away, when filling the bottle. This way I'm sure the water inside the bottle is safe for drinking. This. Why? The main point for me is accessibility of that water. If you come to a situation where you need fresh water, then it may not just be because you've set up camp, you've got a while to spare and you feel like a drink. It ...


8

The bottom line is there is always SOME risk. Whether to take that risk or not is your choice. Fast running + isolated + high elevation = prettttty low risk. With that said the biggest concern is, unless you are drinking right from the source, you have no idea what has happened upstream from you. There could be a dead animal snagged in the stream, animal ...


8

I think your assumptions are correct. To my knowledge in a mountain environment you are quite safe as long as you follow some simple rules, which you mostly already named: The water was not standing, i.e. it comes from a stream that is rather fast and the stream is big enough that it is not just a connection of puddles or ponds where the water rinses ...


4

You can't tell by looking, and it's an issue that occurs naturally, not just because of industrial contamination. Even if you're hiking in a pristine environment like a national park, where this kind of man-made contamination isn't likely to be a concern, there can still be contamination from naturally occurring substances like arsenic. Natural blue-green ...


3

I used to do canoe trips on the English River, in western Ontario. One of the mills polluted the river with mercury, and it made the fish poisonous to eat in quantity. Throughout the lakes downstream there were signs giving the allowable eating -- on the order of one trout per week. We could drink the water. Local indians at the Grassy Narrows reserve ...


3

No you don't. We live in a small Swiss village of 380 inhabitants All the water we use comes from above the village as spring water This is piped to our house and to a village water trough (for animals and humans ) Tourists often ask to drink from our house because the idea of drinking from an outside water source is euuk (yes many are American) However ...


2

Fecal contamination should not really be an issue unless someone is already sick. Recent research has suggested that even eating ones own poop should not make you sick. Fecal transplants is a new way of treating some issues that fomr from a lack of flora in your gut. http://gawker.com/5985723/can-you-eat-your-own-poop. I for one would use something to ...


2

I use a Sawyer Squeeze filter and its pretty quick, light, and easy. You fill up a pouch that looks like a big Capri Sun and then just squeeze it out through the filter into your bottle or bladder. It comes with both a filter cap and a regular bottle cap, so if you were in a hurry you could fill the pouch at the water source, cap it, and filter it later. ...


2

Polar pure, the most effective water treatment product availble, is now back in stock and availble for sale on amazon.com I would like to thank everybody for all there support, it was an unfortunately long process due to the "meth heads" that were using iodine, the same chemical used in polar pure, to make crystal meth. This caused the dea to create much ...


2

Polar pure is now back in business and availble for sale on amazon.com


2

I'm going to assume that you are employing the SODIS method of water sterilization. To sum up the details of the process, this method is where you fill plastic pop bottles, (PET), up with rather clear water 3/4 full, shake them up, and let them sit in the bright sun for 5+ hours. The mechanism this works by is by utilizing the UV radiation in sunlight. ...


2

A filter like that will will be good for 50 gallons even if it's used over two years. You'll want to make sure you dry it properly between uses, and some filters have boiling instructions (esp. those with clay ceramics) when they haven't be used for an extended period of time.


2

I have traveled the back country for 4-6 weeks a year for 30 years, mostly in the Canadian rockies and on the pre-cambrian shield. I've never used water purification, nor did we generally in our group. We've had some cases of the runs over the years, but the spread out nature made it unlikely it was a water source that did it. Far more likely bad hygiene ...


1

At the very least, you'll want some type of plastic bottle. You can cut the end off of your plastic bottle and layer in ground ( smashed ) charcoal from your camp fire along with cotton, sand, grass, most anything you can get your hands on to filter out the different sized particles. Charcoal being the most likely to weed out micro organisms. ...


1

Without getting into any specific recommendations, pretty much any decent water filter you can find will get you through well more than 20 liters and several days. By decent, I mean the standard ones you will find at a good outdoor shop: MSR, SweetWater (now also MSR), Katadyn, PUR. I've used filters with large groups (10 people) for 8 days. Assuming 4 ...



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