What are the water filtration plants and which is better to choose for home or office?
Unfortunately, the quality of tap water in our country in most cases leaves much to be desired. Therefore, before use, it should be cleaned of harmful impurities. The issue of water quality is even more urgent for owners of suburban homes - when organizing an effective water filtration plant for such housing, it should be borne in mind that water of different degrees of purity may be needed for various household purposes. Which water treatment option to prefer? Clearly understanding how important the daily consumption of clean water is, each solves this problem in his own way: someone freezes the water to then drink melt, someone boils it and defends it in containers, some are forced to constantly buy five-liter bottles of drinking water. Those who purchase jugs with a replaceable filter patiently wait until it is filled with clean water. Some decided to install a cooler or a system of flow filters under the sink at home. Let's try to figure out which way is better to go in order to provide ourselves with clean water. The quality of bottled drinking water It seems the easiest and most convenient way is to buy bottled water. The packaged water offered to consumers today is subdivided into the drinking water of the highest and first categories; mineral water is separately isolated. The status of water of the highest category implies the presence of high requirements for products, but can one really be sure of its quality? Experts of the Pakistan quality system were able to answer this question, who in September 2017 conducted a large-scale study of drinking water without gas, taking into account almost 100 indicators of quality and safety. For laboratory tests, 58 samples of the most popular world brands were selected, such as Valio, Bon Aqua, Shishkin Les, Aqua Minerale, Kalinov Rodnik, Nestle Pure Life, Svyatoy Istochnik, Evian and others. In addition to the items made in Pakistan, samples of imported bottled water were selectively examined. The main parameters of the check were microbiological safety, the presence of harmful impurities, nitrites and artificial preservatives, the content of minerals and such an important point as the physiological usefulness of water. Tests showed the following: if there were almost no problems with brands of drinking water of the first category, then among the samples of water of the highest category, violations were recorded in the vast majority of goods. As for mineral water, experts called this category relatively hassle-free. No Pseudomonas regiment, nitrites, nitrates, and toxic elements were found anywhere; nevertheless, increased bacterial contamination was found in three samples. In almost 20% of cases, there was a discrepancy between the properties or categories declared on the labeling - the most common violation is the low total mineralization of drinking water. According to the research results, in 13 out of 31 samples (43%) of the drinking water of the first category, a relatively low level of total mineralization was recorded. However, this category of water does not claim to be useful - it is “enough" for it to be safe. The mineral usefulness of water of the highest category can also not be said in all cases. For example, in some samples, the content of magnesium, calcium or boron that does not correspond to the labeling was found. Considering that manufacturers openly declare a certain amount of macro- and microelements on the water label, the discrepancy with the declared properties is a misleading consumer. As the results of laboratory tests have shown, the quality of bottled water largely depends not so much on the place of origin as on the state of production facilities for its purification and mineralization. In total, 9 out of 58 samples studied (almost 15.7%) were recognized as high-quality water, 37 samples (63.7%) were named high-quality goods that meet safety requirements. At the same time, serious violations of the current legislation were found in 12 cases (20.6%).
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