Because the bottle is full ,and capped the water temperature can go above 212 degrees with out boiling. The higher the temperature the faster you kill the bacteria. Its the temperature that kills ,not the boiling action. Most plastics used for food containers melt around 275Deg.F. Some polymer agents will be released into the water for sure,but we are talking about a survival situation not drinking this stuff for the rest of our lives. In a bad situation I would use this method to stay alive.
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cool or dangerous?
- Thread starter NB16
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First, I have never actually seen the water boil. I have seen it get hot, but not boil. Second, I poured boiling water into a coke bottle, and the darn thing melted! Makes me wonder! I know you can heat the water in the blttle in a fire, but BOIL??
YES YOU CAN!
"losing your only way to carry water on your person does'nt seem very bright in hindsight"
How often have you seen plastic bottles- or even better- beer cans out in the bush? On a particular little adventure on a North Atlantic Island, I found several EVERY DAY.
"losing your only way to carry water on your person does'nt seem very bright in hindsight"
How often have you seen plastic bottles- or even better- beer cans out in the bush? On a particular little adventure on a North Atlantic Island, I found several EVERY DAY.
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I would think that with the cap on this would be a potential problem. Maybe someone more familar can correct me if I am wrong. But if because the bottle is sealed, the boiling point will be raised, if someone were to heat a bottle to the boiling point and remove from the fire, the liquid would stop boiling, but could still be above the boiling point. If the cap were removed at this point, the pressure would drop and the contents could "Flash" boil, shooting out of the bottle.
That's why I would remove the cap if I were to attempt this.
Sean
I put some boiling waterc in a wax coated fountain soda cup. In no time the wax melted. I don't think it's a good idea to drink wax boiled H2O unless there is no other option. Same goes for killing the bacteria mentioned in the OP.
There's a reaon for the warning on USGI canteens:
remember, those things are made out of plastic, just like any other plastic food container. Definetely good to NOT consume those chemicals unless there's no other choice.
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i tried it, and it worked. though better on the coals then the open flame.
and it didnt in any way explode. when the pressure was high enough, the cap 'failed' and the seal broke. some hissing and minor seepage, but nothing dangerous.
i didnt drink it, just wanted to see if it would work. if no pot or pan is available, and you need hot water, then it is definitely a viable option.
the water was hot enough for coffee, and the plastic was discolored on the outside, but the inside appeared unaffected. although there is no way to tell for certain if the interior was compromised and there was a chemical transfer to the water.
the whole process only took a couple minutes.
and it didnt in any way explode. when the pressure was high enough, the cap 'failed' and the seal broke. some hissing and minor seepage, but nothing dangerous.
i didnt drink it, just wanted to see if it would work. if no pot or pan is available, and you need hot water, then it is definitely a viable option.
the water was hot enough for coffee, and the plastic was discolored on the outside, but the inside appeared unaffected. although there is no way to tell for certain if the interior was compromised and there was a chemical transfer to the water.
the whole process only took a couple minutes.
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I haven't tried this myself, although I may give it a shot. I have however, experimented with putting dry ice into plastic bottles. I can say that they DO explode and quite spectacularly....
Sean
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uh yeah. the pressure spike is a bit higher with the dry ice.
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the water may not boil, but will be of the correct temperature. the pressure inside may keep it from actually boiling.
the coke bottle may have melted because of the rapid temp change?
ill be camping again next week, ill try it again and see if the water actually bubbles.
if water can be boiled in a paper cup, i imagine it will boil in plastic too.
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Wow thanks for the info I will have to file this one for an emergency.