FAQ

We hope this page answers any questions you may have, if not please feel free to contact us on 353 (0) 42 937 0172 or email business@renewellwater.com and we will be delighted to attend to your query.

Questions You May Have.

  1. What is Reverse Osmosis?

    Reverse Osmosis, commonly abbreviated to RO, is a water treatment method traditionally known for removing salt from seawater, it is also used to purify drinking water by forcing untreated water molecules through a semipermeable membrane. The membrane has a tight pore structure that effectively removes up to 99% of all contaminants and impurities such as total dissolved solids, chemicals, bacteria and viruses from drinking water. Anti-microbial filters used in Reverse Osmosis also help to remove unwanted odours, colours and tastes from water. The result is pure, clean, drinking water.

  2. How does a Reverse Osmosis System work?

    Although Reverse Osmosis seems like a complex system it is really a simple and straightforward water filtration process. Of all methods to purify water for domestic use, the process of using reverse osmosis is the most advanced, economical and effective.

    RO is a process in which dissolved inorganic solids are removed from the water. This is accomplished by household water pressure pushing the tap water through a semipermeable membrane, the membrane has the astounding quality of attracting water molecules and repelling dissolved impurities, even those smaller than the water molecules themselves. The membrane, which is about as thick as cellophane, allows only the water to pass through, not the impurities or contaminates.

  3. What does a Reverse Osmosis System remove?

    Reverse Osmosis successfully removes dissolved minerals and metals such as; Fluoride, Sodium, Calcium, Magnesium, Potassium, Iron, Manganese, Aluminium, Ammonium, Copper, Nickel, Zinc, Strontium, Cadmium, Silver, Mercury, Barium, Chromium, Lead, Chloride, Bicarbonate, Nitrate, Fluoride, Silicate, Phosphate, Chromate, Cyanide, Sulfate, Thiosulfate, Ferrocyanide, Bromide, Borate, Arsenic, Selenium, Trihalomethanes.

    Reverse Osmosis Systems are very commonly used following water softeners for sodium removal.

  4. How often do I need to change the filters on my Reverse Osmosis System?

    Once a year. Depending on the quality of your water, some filters may need to be changed every six month. Renewell Water will notify you when it is time to replace your filters.

  5. What is hard water and what causes hard water?

    Hard water is water which contains dissolved chalk, lime and other minerals. Rainwater is naturally soft but as it percolates through chalk and limestone in the earth, it dissolves and collects those minerals.

    Limescale consists of calcium salt crystals which can prove harmful to those who have sensitive skin and hair problems. In Ireland 60{eba993b4cbd3e36f7a9d9c70fbe9fba3889f5ef8d7f5a52cda53356c86678ad0} of homes actually suffer from hard water. The size of the problem for you may be different than that of someone living close to you due to a number of different factors.

    When hard water is heated, these crystals begin to separate and spread out on to nearby surfaces and form a layer of scale. This formation slows down water flow and operation of pipework.

    The same process happens in appliances such as kettles, coffee machines, washing machines, dishwashers and heating systems which reduces efficiency and life span.

    Limescale formation around taps and showerheads is unsightly and unhygienic.

    Limescale combined with chlorine causes major skin irritation.

    How can I find out if my water is hard? Hard water is supplied to 60{eba993b4cbd3e36f7a9d9c70fbe9fba3889f5ef8d7f5a52cda53356c86678ad0} of homes in Ireland, as you will see on the map. We can test your water to get an accurate reading on the total hardness

  6. How can this be improved?

    A water softener can be installed, this will service all  the water that comes into your home, it will transform the water that you use at home. It is essential you understand that whilst you will have soft water it will only remove the limescale and still need to deal with the other impurities in your water.

    Such water softeners require a fair degree of skill to install, our registered plumbers are highly experienced.  Once installed the water softeners in our range are and inexpensive to maintain, they require no annual servicing and the machines in our range are very economical when it comes to the salt they consume.

    People who install a water softener find that the savings are substantial. As a home improvement they have a payback of approximately 5 years*. They also in certain circumstances can qualify for the home improvement grant available in Ireland

  7. How does a water softener work?

    The water softeners in our range are ion exchange systems. In these systems, hardness ions (calcium and magnesium) are exchanged for salt (sodium or potassium) ions. The exchange takes place within the resin tank of the water softener. When water flows through the tank it comes in contact with small resin beads that are covered with salt ions. As water flows through the resin beads, hardness ions trade places with salt ions, hence the higher salt content in softened water.

    As larger volumes of water are softened, the beads become exhausted and contain nothing but hardness ions . The beads are recharged by adding bags of salt to the brine tank. Recharging works the same as softening but in reverse. The hardness ions swap places with the salt ions in the brine tank and excess minerals are rinsed into the wastewater drain.