According to research by US scientists, and published in the book “The Drinking Water Book: How to Eliminate Harmful Toxins from Your Water“ the traditional clay filter of Brazilians, is probably the best water purification system in the world.
Through its filter chamber, made of ceramic candles, it is able to remove impurities efficiently, in addition to containing the presence of chlorine, pesticides, iron, aluminum, lead and even a parasite that causes cryptosporidiosis.
This efficiency results from the gravity filtration process, where water passes through the candles and drips slowly into the lower reservoir. Exactly what does not happen in the flows of taps or tubing, since the pressure is who drives the flow of water. Therefore, microorganisms and sediments end up passing through the system and depositing in the cups. In addition, research has also shown that more modern filtration systems are not able to prevent the presence of dangerous elements such as fluorine and arsenic, for example.
However, remember that the quality of the water depends on the maintenance of the filter, which needs to be cleaned and have your candles changed regularly. And it is essential that chemicals or cleaners are not used in this process. In addition, care must be taken with the plumbing, taps and water tanks of the house, to ensure that the water placed there is suitable for consumption.
[ Biology Journal ] [Photos: Reproduction / Biology Journal]
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