Ayus installs and maintains 4-stage water filters at home, hidden under the kitchen sink. In these guides we explain, with no scaremongering, what is worth knowing about tap water.
Tap water tastes of chlorine because water utilities add a small dose of chlorine so it reaches your home safely. It is normal and within the law. To get rid of the taste, you can let the water stand in a jug or use an activated carbon filter, which traps the chlorine.
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Is tap water in Portugal safe to drink?
In Portugal, tap water is within the law and checked every year, so you can drink it. A household of two adults that only drinks bottled water spends about €390 a year and throws away nearly 867 bottles of 1.5 L. If taste is what keeps you away from the tap, a filter solves that with no bottles.
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What types of home water filter are there?
Reverse osmosis removes almost everything from the water, minerals included, and sends part of the water down the drain. Ultrafiltration holds back particles such as microplastics and bacteria but lets dissolved minerals through, with no waste. A filter jug mainly reduces the chlorine taste.
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What is a microplastic?
A microplastic is a plastic particle smaller than 5 mm, and the ones looked for in water are at least 1 µm. An ultrafiltration membrane with pores of [X] µm keeps out anything larger than its pores. It is a question of size, and that is what we explain here.
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How much water is in the human body?
About 60% of an adult’s body is water. EFSA sets an adequate intake of 2.0 L of water a day for women and 2.5 L for men, including the water in food. About 70 to 80% of that water comes from drinks.
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