How can you be sure that the water is not contaminated? Since the appearance is misleading to say the only way to determine if the water is safe to laboratory analysis.
For a fee you can be a reliable laboratory contaminants that may be in your water supply. The Yellow Pages may prescribe a list of exercises to do so.
Distributor of water purifiers and other home cleaning systems are able to offer free trial of the water. But it is best avoided, because they areresults fraudulent, only the sale of their products.
The number of pollutants in water varies from time to time, so it's a good idea, the water tested periodically. Have the water is inspected, not only for bacteria, but also toxic substances. The results of the examination will reveal the range of pollutants in water and allows you to clean the appropriate steps to take.
For most people it is simply cooked. Boiling water for at least 20 minutes is usuallyenough to rid it of harmful bacteria. Unfortunately, the procedure has changed the taste of water and can put a strain on your wallet for the time you pay the electricity bill.
When boiling is not feasible in your case, you can be sure that your water by liquid chlorine laundry bleach or tincture of iodine. These chemicals are available at the grocery store or pharmacy.
"Use two drops of bleach per liter of clean water and four drops per quart of cloudy water. Mix thoroughly and letrest for 30 minutes. You should see a faint smell of chlorine. Otherwise, repeat treatment and let stand another 15 minutes. For iodide, use five drops per liter of clean water, 10 liters of turbid water, stir and let stand for 30 minutes, "said Jane Brody, an award-winning columnist for The New York Times in their" Nutrition Book. "
For those who prefer the natural way of treating water, can contribute to the sunlight. This was reported by the health alert, a publication of health information actionNetwork (Hain). Dr. Alim Acra at the American University of Beirut said the sun for a simple and cost-efficiency and water treatment. This method has been successfully tested in India and the Arab Republic of Yemen. The best results, "said Acra:
The water must be irradiated in transparent containers of small volume from one to three liters.
The water should be directly from the sun in its glory days for 95 to 300 minutes (and being exposed to a half to five hours).
WaterIt should be clear with few particles in suspension, and low density of bacteria.
The limits of solar radiation are the following:
Untreated sewage in this way.
During the rainy season there is not enough sunlight in tropical countries, in order to disinfect the water.
Some bacteria are resistant to the destructive effects of ultraviolet rays. (Next: Vitamins purify the water?)
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