Best Water Purifier for Home- The Buying Guide (2022)

The degrading quality of water resources available today has challenged the technology to provide access to pure drinking water to every human being. The best water purifier for home-The buying guide is the research to help you with deciding to select the best water purifier for your family.

However, If you want to know our best pics then refer to our research on Best 10 Water purifiers for your family

Nowadays it becomes the necessity for every home to own a water purifier even if you have a drinking water connection. Due to the increased load on the government-funded drinking water infrastructure, the quality of the supplied waters is degrading day by day due to under-maintained treatment plants. So in order to deal with the situation, you need to have a home water purifier to have a healthy life for your family.

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There are many types of water purifiers available in the market at various price brackets. Each uses different combinations of water purification methods. If you are having a budget-constrained then you must know the water quality in your locality and decide which technology is best for you.

Otherwise, go for a combination of all technologies i.e. RO+UV+UF. Each of these technologies has its own capability to deal with the type of impurities. In this article, we will try to clarify the differences between those water purification technologies so that while selecting your best water purifier, you are knowledgeable enough to point out the technologies you need.

Total Dissolved Solids (TDS)

TDS that comes from natural and unnatural sources are termed as a total number of charged ions in a given volume of water. TDS includes dissolved salts, minerals, metals, cations, anions, and other dissolved solids.

A lower level of TDS increases the quality of water. Water with less than 300mg/l is considered to be best for drinking.

However, if the TDS is more than 500 mg/L, then it is not suitable for drinking at all. Drinking water with a high TDS level may lead to increased health problems.

So in order to know your supplied water quality, you need to buy a TDS meter available online and test the supplied water. TDS meter is also a portable device and one should keep it handy even if you love to travel a lot and if you are a vivid explorer.

IONIX Imported TDS Meter Buy on Amazon
TDS Meter/Digital TDS Meter with Temperature Buy on Amazon
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HM Digital AP-1 AquaPro Water Quality Tester Buy on Amazon
Digital TDS Meter with Temperature and Water Quality
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Once you have the TDS level of your supplied water.

 Select your best water purifier as per the points below:

  • TDS less the 200              Select UV+UF purifier
  • TDS greater than 200                Select RO water purifier
  • TDS greater than 2000              Go for water softening solution

There are some of the harmful dissolved salts like cadmium, Arsenic, Lead which can be only removed by the reverse osmosis water purifier. These salts mentioned are very harmful and can be dangerous if present in a higher value. WHO has specified the maximum levels of these salts in the drinking water but due to industrialization and degrading water resources, most of the water resources have much higher levels of these harmful dissolved salts.

The salts act as a slow poison and the worst affected are the children who start accumulating these harmful salts in their bodies from an early age, leading to health issues coming up at younger age.

 Water Purification Techniques Available

Reverse Osmosis (RO)

The RO water purifiers need electricity to operate. This is the only purification technique that is capable to remove total dissolved solids present in the water. Almost all the water purifiers come with a pre-filtration cartridge that can easily deal with suspended particles.

Top 10 water purifiers-the buying guide

RO technique is also said to remove good salts & minerals along with unwanted ones from the water. This is why you must also look for mineral addition technologies along with RO in your purifiers.

The RO water purifiers need lots of water since most of the common RO purifiers work at 20% efficiency which means out of 10 L water input RO produces only 2 L of drinkable water. It rejects 8 L of water. If you are conscious of water usage don’t allow rejected water to flow in a drain in spite of collecting it and using it in other household activities.


I have seen a situation where one of my friends has connected the rejected water pipe of the RO water purifier to his washing machine. His washing machine gets filled every 1-2 days and is ready for a wash. He used water from the washing machine to water his balcony garden and the remaining water is being used to wash his clothes every Sunday.

I loved the way he was using the water and conserving it at the same time.

Ultra-Violet Water Purifiers (UV Water Purifiers)

best water purifier for home- the buying guide

Ultra-violet rays are known to have disinfecting properties and can kill all types of micro-organisms like bacteria and viruses. However, unlike RO, these purifiers cannot remove unwanted dissolved salts in your water.

Top 10 water purifiers-the buying guide

UV purifiers are good when you are getting a water supply with less than 200 ppm which I think is having a very less probability round the year. The quality of water even degrades more in monsoon. So keep in mind the monsoon scenario while going for UV purifiers.

This technology can eliminate 99.99% of the bacteria present in the water. However, this cannot work with dirty water since suspended particles tend to provide a shield from the rays.

Ultra-filtration Techniques (UF water purifiers)

The ultra-filtration techniques are also similar to the RO technique but the RF membrane has larger pores as compared to the RO membrane. These filters don’t require electricity to operate.

Top 10 water purifiers-the buying guide

It can deal with bacteria, cysts, micro-organisms, and other harmful particles present in water but these filters cannot deal with dissolved salts unlike RO and it cannot deal with viruses, unlike UV.


So from the above article on best Water purifier for home- the buying guide, it is quite clear that each water purification technique has its own pros and cons. The best way to select is a combination of all three techniques. The combination of all three ensures that your water is perfect to drink every time irrespective of supply variations.

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However, you will find models from several brands using all these three techniques in the price range above 14000 rupees. But if you have a lower budget then it is advisable to check TDS in your locality and then select between the technologies you need in your price bracket.

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