It is often occur in the new home or newly housing built on former mining areas, or on former rice-fields, the water from the soil of certain type is often facing some water problems. So the water need purifying treatments. Among the problems is as follows. Water wells during the pump out of the clear but after a few hours there is a yellow precipitate.
If the water is clear from the beginning, quite simply put a water filter sand manganese. Manganese sand can absorb iron. Manganese sand should be cleaned when it's dirty. Cleaning can be done by using a liquid KMnO4. After a while manganese sand can be reused. The duration of the cleaning depends iron levels and the levels of manganese in filtered water. Particular filter tool can test your levels of iron and manganese water .. For water is cloudy from the beginning, please read the yellow water problem
Regional Water Company (PDAM) using chlorine to kill germs so that the water is too whitish and bed smell. The solution was forced to reduce the unpleasant condition that all homes must use "active carbon" as water filters. For drinking and cooking water: use water filter for drinking as clear one. This water filter provides potable water directly and can also be used to make coffee and others.
To purify the problematic (unclear) water, the most efficient solution is silica sand water filter as purifiers. This water filter can be used more or less 5 years. And during that time, the media does not need to be replaced. However, silica sand water filter should dibackwash (cleaned) at least once a week.
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