It is better to protect and use a safe water source than to purify water from a contaminated source, such as a river or pond. However, water must be purified if it has been contaminated, if people do not want to drink it because of its color or taste, or if it is transported and stored in the home (water from pipes, tanks, and wells must also be purified before it is used.
Consumption, if there is a possibility that it has been contaminated). The methods you choose to purify the water will depend on how much water you need, the type of contaminant, how you will store it and the resources available.
Regardless of how it is purified, it is best to filter the water or let it settle and empty it in another container before disinfecting it.
In this way, the sediments (earth particles) are eliminated, and in doing so, disinfection will be easier and more efficient. The methods that we explain below will be able to make drinking water if it does not contain toxic substances. Water contaminated with toxic substances is never safe to drink, bathe or wash clothes. It can cause cancer, rashes, spontaneous abortions and other health problems.
There are many ways to filter water to remove microbes. Some filters, like Filtration by fabrics as shown below. It does not need much equipment and can filter a large or small volume of water.
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Filtration By Fabrics
Water can be easily filtered with the help of a cloth. Doing so makes it possible to eliminate the main solid impurities in the water, as well as the larvae of insects that it may contain.
The fabric used for filtration should be thick so that the impurities retain and filtration will be last longer. It must be washed before each use. By itself, filtration is not a satisfactory means of treatment.
When the water settles, the mud and other solids, as well as the microbes and earthworms that cause diseases, are deposited in the bottom of the container. By storing water for 5 or 6 days, the number of microbes it contains is reduced. However, microbes disappear if the water is stored for a long time, and therefore it is best to use this method as mentioned by Purewaterfy.
You can also use filters with natural cloth of very fine tissue to eliminate cholera microbes from drinking water. The cholera microbe often adheres to a tiny animal that lives in water, so filtering these animals also filters out most of the cholera microbes. With this method, it is also possible to filter the guinea worms. A cloth filter can be constructed from tissues, blankets, linen or other cloth.
Old fabric works well then new because worn fibers have smaller pores and are better for filtering. Always use the same side of the fabric. If you turn it over, the microbes will enter the water. After using the fabric, wash it and leave it in the sun to dry.
This destroys the microbes that may have remained in the fabric. During the rainy season, disinfect the fabric with chlorine. Be sure to wash the container you use to put the filtered water, at least every 2 or 3 weeks.
The Three Containers
It fulfills the same role as filtration and allows separating the main solid impurities from the water. To increase its effectiveness, this method can be used as a complement to filtration. The 3-vessel method holds water and allows microbes and solid material to settle to the bottom.
This method is safer than settling water in a vessel, although it eliminates microbes completely. After using the 3-pot method, the water will be filtered. Every 3 or 4 days, was the clear water vessel (vessel 3) with boiled water.
If you use a clean flexible hose as a siphon to pass water from one vessel to the other, the sediment will be less stirred than if you spilled the water.
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