Human beings can survive without food for some weeks but they cannot survive without water for more than three days. This is because every living cell in the body requires it to perform vital functions. This is why to is so important to have portable water purifiers for survival. This is more important than any of the other items required.
Even the clearest of lakes and streams can be polluted. It is important not to drink from any unknown source, even if it does not look polluted. Most sources are contaminated with animal waste, human waste, industrial waste and other pollutants. Drinking from an unknown source can be deadly as many serious illnesses can be contracted. This is particularly serious when in remote areas where medical assistance is not available.
There are several different methods that can be used for purification. Boiling kills bacteria, viruses and cysts. However, it does not deal with toxic chemicals, dirt, sediment or a foul taste. Filtering is another method and various kinds of filtration can be used. The results of filtration vary considerably, depending upon the type of filtration used. Another method is to use chemicals.
When buying a unit for purification purposes, its effectiveness if obviously the most important consideration. One must find out what pollutants are dealt with. It does not make sense to buy one that only deals with certain problems and not others. The best buys offer comprehensive removal of bacteria, viruses, protozoa, noxious chemicals and even dirt and sediment.
Once effectiveness has been established, another consideration is the weight and size. A device may be effective but may be too bulky and difficult to transport. One that is compact and easy to store is preferable, particularly when considering that long distances may need to be covered. There are small compact devices on the market today that have the ability to process up to 500 gallons or so before the filter needs changing.
Some of these units may take a considerable amount of time for purification. This has to be born in mind in survival situations when the individual may have to be able to drink while on the move. Of course if one is able to stay in one spot for a considerable period, this is not a problem.
One needs to make sure that the unit purchased is easy to operate. This is also important in an emergency situation where a unit that is difficult to operate may cause fatal delays. Some are very ease to use and are operated with a manual pump which pushes the water through various filters like ceramic, glass fiber and carbon until it is safe to drink.
These units are widely available, including from many online sources. Making a choice can be difficult but bear in mind that this decision may be a life or death one. Do not compromise on effectiveness for the sake of price. As long as you take all the factors into consideration such as effectiveness, size, weight and ease of use, you can choose a unit you feel does the job properly and suits your budget.
Even the clearest of lakes and streams can be polluted. It is important not to drink from any unknown source, even if it does not look polluted. Most sources are contaminated with animal waste, human waste, industrial waste and other pollutants. Drinking from an unknown source can be deadly as many serious illnesses can be contracted. This is particularly serious when in remote areas where medical assistance is not available.
There are several different methods that can be used for purification. Boiling kills bacteria, viruses and cysts. However, it does not deal with toxic chemicals, dirt, sediment or a foul taste. Filtering is another method and various kinds of filtration can be used. The results of filtration vary considerably, depending upon the type of filtration used. Another method is to use chemicals.
When buying a unit for purification purposes, its effectiveness if obviously the most important consideration. One must find out what pollutants are dealt with. It does not make sense to buy one that only deals with certain problems and not others. The best buys offer comprehensive removal of bacteria, viruses, protozoa, noxious chemicals and even dirt and sediment.
Once effectiveness has been established, another consideration is the weight and size. A device may be effective but may be too bulky and difficult to transport. One that is compact and easy to store is preferable, particularly when considering that long distances may need to be covered. There are small compact devices on the market today that have the ability to process up to 500 gallons or so before the filter needs changing.
Some of these units may take a considerable amount of time for purification. This has to be born in mind in survival situations when the individual may have to be able to drink while on the move. Of course if one is able to stay in one spot for a considerable period, this is not a problem.
One needs to make sure that the unit purchased is easy to operate. This is also important in an emergency situation where a unit that is difficult to operate may cause fatal delays. Some are very ease to use and are operated with a manual pump which pushes the water through various filters like ceramic, glass fiber and carbon until it is safe to drink.
These units are widely available, including from many online sources. Making a choice can be difficult but bear in mind that this decision may be a life or death one. Do not compromise on effectiveness for the sake of price. As long as you take all the factors into consideration such as effectiveness, size, weight and ease of use, you can choose a unit you feel does the job properly and suits your budget.
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