Often people tend to take the purity of the water for granted not questioning whether or not the water is fit for consumption or not. However it is always advisable to have a water filter installed at home because it is never sure what kind of impurities or germs might be making their ways into our system everyday unsuspected.
Improvement over years
Over the years φιλτρα νερου have improved in leaps and bounds. While the typical household water filter earlier was able to only keep away solid impurities, nowadays water filters are able to filter a water and remove dissolved chemicals as well as kill bacteria and other pathogens that might be found in water.
Signs of impure water
There are different signs that might indicate that water is unfit for consumption. Sometimes the water has a distinct odour to it. At other times it might be coloured. Sometimes it might taste funny as well. Often the water that is supplied to homes is treated with a great amount of chemicals which are sometimes present in such a concentration as to render water unfit for consumption, even making it dangerous in certain cases. A water filter is therefore needed to make the water fit for drinking.
Different kinds of water filters
There are different water filter systems nowadays that are used to treat water, the most among those being reverse osmosis purification systems and activated carbon systems. In reverse osmosis systems the water is made to pass through a series of membranes which restrict the flow of contaminants and bacteria while letting the purified water pass through. Over a period of time the effectiveness of water filters decrease as the membranes become less and less efficient in keeping away contaminants.
A φιλτρα νερου which uses active carbon function by letting the carbon absorb all the impurities as the water flows. Bacteria and other contaminants in water, even chemicals such as chlorine are therefore removed from the water rendering it fit for drinking. A bit of silver when incorporated into the carbon betters the quality of absorption and thus of the purified water too.
Other filtration systems such as ultra violet sterilization techniques are also hugely effective and are being increasingly used for water filtration nowadays because of its efficiency in killing pathogens and germs. Other cheap alternatives such as ceramic filters are also in circulation though they are painstakingly slow in filtering water. Sometimes these technologies are used in conjunction with each other to have the optimum efficiency.