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The Ultimate Guide To Choosing The Right Water Purifier For Your Home

9 min read - 23rd Apr 2024


With the increasing awareness about health and wellness,  more and more people are opting for the best water purifier RO for their homes to get the purest form of water to drink. As we know, water is essential for humanity and over 70% of the human body constitutes water. It is the secret ingredient that keeps the human body functioning smoothly. Hence, drinking pure and clean water is important.  Since water contains many harmful contaminants that need to be filtered out before drinking, installing water purifiers is essential and has become a necessity rather than a luxury these days. 

However, you may note that not all water purifiers are the same and one purifier may not suit the needs of every household. Selecting a water purifier should be purely done based on the kind of water that is supplied to your house. So, before buying the right water purifier, it is important to consider the right quality of drinking water suitable for your household. 

In this post, let us consider the ultimate guide to choosing the right water purifier for your home.  

How do you measure the right quality of drinking water?

How to ensure the right drinking water? What is the standard of drinking water suitable for human consumption? As per the World Health Organization (WHO), a TDS of 100-300 in water is considered suitable for drinking purposes. TDS means Total Dissolved Solids and TDS in drinking water means the amount of dissolved impurities in water. These include a certain amount of minerals, ions, salts, and metals in a certain volume of water. 

A TDS meter is a device easily available these days that can be used to check the TDS in the water supply. If your TDS meter shows 150-200 of TDS in your drinking water, it is considered fit for drinking purposes. 

Does Installing Water Purifiers at Home Ensure Safety?

Water purifiers help eliminate contaminants from water and deliver quality water for consumption. Depending on the type of water filter installed, an RO or UV water filter, the filtration techniques used in such purifiers act as barriers that hinder impurities and other contaminants from being present in the purified water used for consumption. These purifiers eliminate chemicals, heavy metals, viruses, and bacteria from water to make it clean. This process ensures that the water emerging from an RO water purifier is 100% clean and free from harmful substances. Hence, you can ensure the safety of your family from hazards posed by drinking unsafe water. At the same time, it also enhances the taste of your drinking water by removing odor and solid impurities dissolved in water.   

Factors to Consider While Choosing a Water Purifier

To ensure clean and safe drinking water for your family, it is important to choose the right water purifier. However, with several available options in the market, it is difficult to choose the best one. You must consider certain factors as mentioned below to make an informed decision.

  • Check the quality of the water supply in yourhome – Before embarking on a journey to buy your preferred water purifier, it is important to check the quality of water you receive at your home.  This can be done by conducting a water quality test to see the various contaminants present in your tap water. They can be in the form of heavy metals, bacteria, chemicals, etc. Once you find the quality of the water, you can easily determine the type of purification technology to be installed in your house.  
  • Choosing the type of water purifier – Different types of contaminants are present in water that requires different purification processes. Some common methods used by most water purifiers include reverse osmosis (RO) purification, activated carbon filters, and ultraviolet (UV) purification among others. Depending on the impurities available in your water, it is important to choose a particular water purifier that suits your needs. 
  • Maintenance Requirements – This is another important requirement to consider. Good maintenance enhances the longevity of your water purifier as well as boosts its performance. Hence, it is better to consider the different costs as well as the efforts required to maintain your water purifier before buying the same.  
  • Certifications and quality standards – It is also equally important to consider the certifications and quality standards of your water purifier. It is better to trust a reliable water purifier with BIS and ISO certification so that safety standards and performance criteria can be met.

Besides the above, one must also consider things like the water consumption in your household or the usage pattern. If you have a large family, you may require a water purifier with a large storage tank, while a small family may opt for compact water purifiers. Similarly, you may also consider other aspects like ease of installation, space consumption, your budget requirements in terms of the water filter RO price, brand and reputation of the water purifier as well as reviews and warranty period of the water purifier while buying the product.   

Technologies Used by Water Purifiers

A water purifier should be chosen depending on the source of your tap water as well as the kind of water such as hard or soft water available at your home. The impurities found in your tap water like sand, mud, dissolved inorganic compounds, and contaminants are some substances that need to be purified from your drinking water. Once you acknowledge the above factors, you may consider the kind of purification technique that you should use at home. Below are some purification technologies used commonly to purify water:

  1. Reverse Osmosis (RO) Purification: The RO purification system is the most common type of purification in India. It uses a semi-permeable fine membrane to remove impurities. It also eliminates compounds like calcium and magnesium to soften your hard water. Also, the RO system is known to eliminate lead, mercury, fluoride, and other arsenic chemicals. It is suitable if you have 200 ppm to 2000 ppm TDS in your water. 
  2. Ultraviolet (UV) Technology: The UV water purification technology uses intense UV rays to kill bacteria and viruses present in water. This process helps in cleaning low TDS water. However, it does not remove dissolved impurities. Hence, it is suggested to supplement these water purifiers with pre-filters or activated carbon filters.
  3. Electro-Adsorption Technology (EAT): This technology removes different degrees of impurities using a 5-step process with different filters. It removes different impurities like dust, dirt, and suspended particles as well as ions, silica and cysts, germs, and bacteria. In the final stage, harmful chemicals like arsenic and lead are also removed.
  4. Ultrafiltration (UF) Technology (GRAVITY-BASED): The gravity-based technology to purify water is used to remove cysts and harmful microorganisms like bacteria. These purifiers are again suitable for low TDS water. However, they do not eliminate dissolved minerals. They are recommended to supplement with sediment and activated carbon filters. These purifiers do not consume electricity.
  5. Alkaline Technology: This is a pH-based filter technology used to remove harmful acids from drinking water. If the TDS in your water is low, you can try this technology to purify your drinking water. This technology is mainly recommended in areas where your water tastes acidic or sour.

Tips to Choose the Right Water Purifier for Your Home

  • Buy a water purifier that doesn’t get your water demineralized
  • Remember the maintenance cost of the type of water purifier you are buying before investing in it
  • Always ensure to get the best quality of water and never compromise on it
  • Buy as per your requirements and don’t fall prey to gimmicks 
  • Try to know about the source of water supply reaching your home to know its TDS levels.  Also, find the best TDS for drinking water
  • Along with the above, check the water purifier priceas well as your budget while buying a water purifier 


We all know how important it is to pick the right water purifier for home for the safety of our family members. It is necessary to check and determine the best quality water purifier keeping your budget in mind at the time of installation. With the right water purifier, you can be sure of consuming the purest and healthier type of water that tastes good too. 

Water purifiers are best if you want to have clean and safe drinking water as they are capable of eliminating an extensive array of contaminants.  Hence, they are best to safeguard the health of your family members.