Interesting thing mentioned in the small print gives some clue to this products actual effectiveness:
Note: If using a source of water that might contain extreme bacteriological or viral contamination, it is recommended that two drops of plain Clorox or iodine be added to each refill before filtering. This will kill minute pathogens such as viruses. The disinfectant will then be filtered from the water entirely removing its odor, color and taste.
Chlorine or Iodine will both purify water on their own and even then will not do as good a job as boiling it, if you need to use them why bother with this thing at all?
I have a 3 gal size that filters up to 13 gal a day.Have been using it for over 5 yrs. with no problem,even tried the lake water in it could not tell any difference in taste. A couple of years ago they were working on the water lines for a few days & the water was a rusty looking color during that time. I did not boil it only added a few drops of clorox nobody got sick.
Well Carolus... if I had a choice between a few drops of clorox or iodine & having to build a fire & then waiting for the water to boil then cool down I would choose the first option with a bottle filter.Simply because its faster & less work.
The only time I would be worried about the water is if it was stagnant or around human or animal waste then I would boil it clorox it & iodine it.
Frankly I don't see having to spend a lot of time boiling water when I don't have too. Just call me lazy. :wink:
Thats fine just as long as you realise that boiling it is the most effective way of purifying water out of these three methods. If you already have a heat source it only takes as long as it takes to make a cup of coffee.
In a wilderness or survival situation a fire is essential for more than just purifying water, it also provides heat and allows you to cook food. Considering then that you will almost certainly have a source of heat already, boiling water isn't really that difficult. You can't expect me to belive you do not have heating/cooking implements where you live, and I would not expect you to do without these in the contryside either.
In general an item which has many functions should be preferred over specialist items when you are deciding which equipment is most important to have. A water filter does not allow you to be self sufficent unless you know how to build a replacement when it is lost or stops working, and it will eventually stop working. Likewise unless you know and have the equipment to maufacture Chlorine/Iodine you will eventually run out of these. However anyone can learn to build a fire, giving you the self sufficeny to purify water, heat food, keep your self warm and in more advanced situations even create your own tools.