The water we drink everyday has minerals, salts and metals dissolved in it. These dissolved solids effect the taste, odor and quality of water. Whatever water purification method (RO purifiers, filter or bottled water) you adopt, it is very important to know the quality of the water your consume.
Some of the factors that determine the safety and quality of drinking water are:
It stands for power of Hydrogen. It measures how acidic or alkaline the water is. The figure ranges from 0-14 where pH 7 being neutral or pure, less than 7 indicates acidity and above 7 indicates alkalinity. The pH range of normal water should be in the range of 6 – 8.5.
It indicates the concentration of calcium and magnesium ions present in water. The hardness of water measures the capacity of water to react with soap. Hard water require large amount of soap to produce lather. Hard water reacts with soap molecule and produces precipitate which can be seen as white deposition on the taps, bathroom fittings or kitchen utensils.
It is defines as “the inorganic salts and small amounts of organic matter present in solution in water. The principal constituents are usually calcium, magnesium, sodium, and potassium cations and carbonate, hydrogen carbonate, chloride, sulfate, and nitrate anions” (Source: WHO report, Guidelines for drinking-water quality, 2nd ed. Vol. 2. Health criteria and other supporting information). These dissolved solids affect the taste and quality of water.
So next time whenever you call for RO service or any other RO related help, ask the technician to test these 3 numbers. Permissible range of these numbers ensure purity and cleanliness of drinking water.
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