Frequently Asked Questions

Reverse Osmosis water purifiers come with a semi-permeable membrane that allows only pure water to pass through it. The membrane rejects the contaminants that are too large to pass through the small pores. As a result, the purification process removes the large and harmful particles from water.

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here are two major differences between reverse osmosis and filtration: Ordinary water filters physically screen dirt and sediment particles from the water down to about one micron but do not remove dissolved chemicals. Reverse osmosis uses a polymer membrane that filters down to the molecular level, removing dissolved chemicals and salts that a regular filter cannot remove. With a regular filter, all the water flows through the filter and the particles collect in the filter or on its surface, eventually plugging the filter. In RO filtration, instead of all the water flowing through the membrane, the feed water flows across the surface of the membrane. Pure water goes through the membrane, and as some of the remaining feed water flows across the surface of the membrane, it washes impurities away from the surface of the membrane, and out to the drain. This keeps the surface of the RO membrane continuously free from contaminants. This greatly extends the lifetime of the RO membrane and insures the purity of the filtered water.

The RO membrane is made of a very thin film (which does the actual filter separation) embedded on a layered supporting sheet. (Kind of like a thin sheet of plywood, with a very thin veneer) This configuration is known as “Thin Film Composite” or TFC membrane. The membrane is rolled in a spiral configuration around a plastic tube, and pure water flows to the center tube where it is collected. Impure water flows across the surface of the membrane and out the end of the membrane tube to the drain.

A regular RO service is important for increasing the lifespan of your RO water purifier. An RO service includes changing the various filters once in a while. Change the carbon filter every 6 to 12 months and RO membrane every 1 to 3 years. This also depends on the quality of the water and its usage. Avoiding RO service can result in less supply of water and limited flow. Before buying an RO water purifier, you need to check its AMC cost or you can consider taking an extended warranty. Call for an RO service every 3 to 4 months and change your filters every year. Therefore, before making a purchase check the RO service cost, whether it fits in your budget.

If you still have questions regarding which RO to purchase or feel that your RO service is due, why not download the OneDios app and raise an RO service request in a few clicks. Our RO experts will help you in deciding which RO you should buy. An RO service expert will also check the water quality in your home and also where the RO can be installed. What is key to know and understand is that your RO is the first line of protection when it comes to your daily water needs. Therefore, call for an RO service at regular intervals.

Get your RO service done regularly and replace the damaged parts such as filters and storage tank on time. The water purifier typically lasts for 10 years, depending upon the quality of the water it is processing. Therefore, take good care of your RO drinking water system and call for regular RO service.