6 best RO water purifiers for safe drinking water at home

Water is an integral part of a healthy lifestyle. But do you often worry about what is lurking in your drinking water, its taste and purity? You could put your worries aside with reverse osmosis (RO) water purifiers! They offer a convenient and effective way to remove a wide range of contaminants like bacteria, virus, heavy metals and dissolved salts from your water. It is a special type of water purification system, which is carefully designed to remove unwanted molecules from water by forcing it through a semipermeable membrane. This water purification technology can help you drink safe and clean water without compromising the taste. We have curated a list of the best RO water purifiers for home.

What is reverse osmosis?

RO water purifiers are specially crafted to work on the principle of reverse osmosis. It encompasses a pre-filtration stage where the water first passes through pre-filters like carbon filters. It can remove large particles like sand and dirt. Then comes the pre-treated step in which water is forced through a semipermeable RO membrane under high pressure. It allows only water molecules to pass through while eliminating impurities like dissolved salts and heavy metals. After that, water may go through post filters to remove any remaining taste or odour-causing chemicals. Once the purification process is completed, water is then stored in a tank. Some of the best water purifiers for the home also come with a mineralisation stage where essential minerals are infused into the water to enhance the taste and health benefits of the water.

6 best RO water purifiers

Check out this list of the best RO water purifiers in India and pick the one that suits your needs:

1. Livpure Allura Water Purifier

Try the best water purifier that comes with reverse osmosis and mineralization facilities. This one from Livpure might be a good choice for you! It is specially designed with 10-stage purification to ensure the highest quality of purified water. The Livpure water purifier is equipped with an alkaliser, which may help enhance the pH of water for optimal hydration and health benefits. It also features a super sediment filter, which can help remove even the smallest particles and sediments from your water. With its 7-litre storage capacity, this water purifier can supply ample water, which allows you to say goodbye to the hassle of frequent refills. It comes with tank UV sterilisation to ensure that the water is purified and free from harmful microorganisms. This purifier may help infuse copper into your water, add essential minerals using mineraliser and remove viruses and bacteria with the advanced system. The brand also claims that this product comes with 30-month free maintenance services.


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2. Aquaguard Sure Delight NXT 6-Stage Water Purifier

Aquaguard Sure Delight NXT 6-Stage Water Purifier comes with a 1-year free maintenance service and 1-year warranty. This water purifier uses a 6-stage purification process to remove bacteria, viruses, dust and dirt. It claims to offer 10x chemical protection through Sedi Shield, Particulate Filter and RO Maxx purification stages. By using Superior RO Maxx Technology, the aquaguard water purifier promises to remove contaminants like mercury, microplastics, lead and pesticides. It also uses UV E-boiling technology to ensure that the water is as pure and healthy as water boiled for 20 minutes. This purifier also features Smart LED Indication to keep you informed with intuitive alerts for service reminders, tank-ful indicators, filter life warm=nings and electronic error to ensure the optimal performance of the purifier. The brand also claims that its product is certified by the National Accreditation Board for Testing and Calibration Laboratories and Water Quality Impact Assessment.


3. Havells AQUAS Water Purifier

Havells AQUAS Water Purifier uses an electrical protection system to protect your purifier from electrical damage. It offers RO and UF purification along with dual mineral and bacteriostatic taste enhancer cartridges. This water purifier is designed with 3-way mounting, smart alerts, ingress protection tank cover, removable tank and hygiene zero splash water flow controller for dispensing. By using 5-stage purification, this RO water purifier first sends water to the sediment cartridge, then to the activated carbon cartridge, ultrafiltration cartridge, RO membrane and finally to the dual cartridge mineral & bacteriostatic taste enhancer to provide you with safe and healthy drinking water.


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4. KENT Elegant Lite RO Water Purifiers

KENT Elegant Lite RO Water Purifiers promise to remove bacteria, viruses, chemicals and dissolved impurities to make the water 100 per cent pure and healthy. The brand claims that its products meet drinking water standards of IS:10500. It uses multiple purification processes of RO, UF, TDS Control and UV disinfection in storage tanks to make the water pure. The Kent RO water purifier claims to retain essential minerals using the Mineral ROTM Technology.


5. AO Smith Z5 Water Purifier

Try the baby-safe water purifier from AO Smith. This water purifier uses 8 stages of purification technology, including pre-filter, sediment filter, advance recovery technology, SCB filter +, side stream RO membrane, alkaline min-tech + ZX double protection dual filter, post carbon block and SCMT. The Ao Smith water purifier promises to retain a natural taste with essential minerals with Alkaline Min-Tech. It comes with a 1-year comprehensive warranty, offers a smart digital display and promises to provide you with 100 per cent purified water all the time.


6. HUL Pureit Eco Water Saver Mineral RO+UV+MF AS Wall Mounted/Counter Water Purifier

HUL Pureit ECO Water Purifier comes with high water-saving technology, which may help save up to 60 per cent of the water. It uses mineral enhancer cartridges to infuse minerals like calcium and magnesium into your water. The efficient UV sterilisation technology may also help kill up to 99.99 per cent of bacteria, viruses and cysts. This purifier is equipped with Smartsense indicators, which can alert you 15 days before filter expiry and suspend water dispensing if the filter is not changed. It features 10 10-litre water storage tanks, 7-stage purification, high-speed purification up to 24 LPH, membrane protector, 100 per cent food grade plastic and tested with international labs and standards.


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How to choose the right RO water purifiers?

  • Assess the water quality: Before selecting the best RO water purifiers, it is important to understand the quality of your home’s drinking water supply. Testing the water will help you understand the specific impurities and choose a purifier with the right filtration capabilities.
  • Purification technologies: RO water purifiers come with multiple purification technologies to ensure optimal filtration. Understanding the technologies like pre-filtration, RO membrane, UV filtration, UF filtration and TDS can help choose a purifier that suits your water quality and health needs.
  • Storage capacity: Choose a purifier that can store from at least 7 to 12 litres of water to meet your daily water consumption needs.
  • Maintenance and operating costs: It is essential to follow a regular maintenance process to keep your RO water purifier functioning efficiently. So, consider the filter replacement, service requirements and energy consumption while choosing a purifier.
  • Advanced features: Look for RO purifiers that come with a digital display, mineraliser, auto shut-off and smart app integration.
  • Certifications: Ensure that the purifier you choose complies with national and international water quality standards. Look for purifiers that come with certifications from bodies like ISI or NSF.

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What are the benefits of RO water purifiers?

  • Removes contaminants: RO purifiers can remove a wide range of contaminants like dissolved salts, heavy metals, and chemical impurities from the water, making it safe and healthy to drink.
  • Improves taste and odour: By removing impurities, RO purifiers enhance the overall taste and odour of the water. This makes the water more palatable and contributes to better hydration and health.
  • Provides health benefits: Consuming RO purified water can lead to numerous health benefits like reducing the risk of waterborne diseases, lower exposure to toxins and balanced mineral content. A study published in ResearchGate mentioned that RO can remove lead, mercury and chlorine, which can cause brain damage, anaemia and other diseases.
  • Brings versatility: RO water purifiers can purify water from various sources like municipal supply, borewells and surface water.
  • Enhances convenience: RO water purifiers come with a range of features like automatic operation, smart indicators and more, which makes them user-friendly.

How to maintain RO water purifiers?

  • To ensure efficient operation and longevity of RO water purifiers, make sure to change the sediment and carbon filters every 6 to 12 months and the RO membrane after 2 to 3 years.
  • Ensure that your RO storage tank and system are clean and sanitised at least once a year to prevent bacterial growth.
  • Make sure that the water pressure is within the recommended range as low pressure can affect the system’s efficiency.
  • Regularly test the output water quality. It will help you find any issues.
  • Regularly inspect the system for any signs of leaks or drips.
  • Make sure to check the seals and O-rings during maintenance. Replace them if there are any signs of wear or damage.
  • Clean the RO membrane if it is clogged by following the manufacturer’s instructions.
  • Make sure that the RO tank is working properly.
  • Take professional help once a year for a thorough check and servicing of the system.

Frequently asked questions (FAQs)

  • Is pure RO drinking water safe?
    According to the National Institute of Hydrology, Roorkee, RO purifiers can remove bacteria, viruses and other metals, which can impact your health. But they also change the taste of water by reducing TDS and essential minerals. It can also reduce the level of calcium and magnesium in the water, which can impact your health.
  • What is the difference between a normal water purifier and an RO water purifier?
    Reverse Osmosis purifiers remove dissolved salts, heavy metals and impurities using a semi-permeable membrane. This makes them ideal for hard or saline water. Other purifiers like UV and UF use ultraviolet light or ultrafiltration to kill or filter out bacteria and particles.
  • Does RO add minerals?
    Does reverse osmosis water have any minerals? Reverse osmosis water generally has very low mineral content since the filtration process removes most minerals and contaminants. However, trace amounts of minerals and contaminants may still be present in the water after reverse osmosis.(Disclaimer: At Health Shots, we make a constant effort to break the clutter for our readers. All products listed are carefully curated by the editorial team but use your discretion and an expert’s opinion before using them. Their price and availability may differ from the time of publication. If you buy something using these links in the story, we may earn a commission.)

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