How to choose best Water Purifier for India 2019?

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Water purifier is an important household item which help in health of the family. Water purifier can provide safety from life threatening waterborne diseases.

Types of Water Purifier


Gravity water purifiers use pressure filtration to purify water.

These are inexpensive and don’t require electricity. These are portable and can be moved around easily. Range starts from Rs 1,099.


Uses ultraviolet rays for the purification of water. It is a fast way of disinfecting water.

These purifiers do not remove sterilized microorganisms, dissolved organic and inorganic particles. Range starts from Rs 5,499


Convenient and effective to use. Effective when TDS (Total Dissolved Salts) rating is between 200 and 2000.

Reduces the hardness of water which is caused by excessive calcium & magnesium salts. Purifies water of contamination caused by fluoride or other harmful chemicals and heavy metal. Range starts from Rs 7,099

Source of Water

Municipal water

If the water is supplied from river, lake or municipal corporation and has TDS between 1-200 ppm, consider Gravity, UV Water Purifier.

Ground water

If the water source is Tube well or Bore well and has TDS anywhere between 200 to 2000 ppm consider safe guarding the health of your family by considering an RO Water Purifier.

Multiple Sources

If the water is supplied through multiple sources e.g. Municipal, Bore well or Tanker and the TDS varies day to day, consider an RO Water Purifier.

Water Quality

Soft Water

Water with TDS value ranging between 150-300 ppm is considered to be soft water. Consider UV Water Purifier or Carbon Activated / Gravity filters.

Hard Water

If the water being provided for drinking is hard consider an RO based water purifier.

What is TDS

TDS is Total Dissolved Solids in water. They are typically more in ground water and vary from place to place.

TDS changes the taste of water and continued consumption can cause intestinal irritation as TDS may even contain harmful chemicals count.

Following table summarizes the impurities each purifier can filter

Purification Technology Treatable Impurities
Gravity Water Purifiers Physical impurities like mud and particles
UV Micro-organisms, Bacteria, Virus & Protozoan cyst
RO/ RO+UV Physical impurities like mud and particles, Microbiological germs viz.Bacteria, Virus, Cysts, Protozoa, Chemicals like Arsenic


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