Water Purifier Buying Guide India 2024

Water Purifier buying guide

Looking for guidance on selecting the right water purifier ?

Well you are in the right place. 

We bet you this is the one and only guide you need for choosing the right Water Purifier for your requirement.

So, read this article carefully.

When selecting a water purifier for your home you will need to pay attention to several factors. 

Let us discuss those factors:

1. TDS

The full form of TDS is Total dissolved solids. TDS presents some dissolved substances in water TDS has several  organic salts and organic matter; these salts are made up of calcium, potassium, magnesium and sodium.

TDS is measured in ppm (parts per million)

2. Always check where does your water come from

You need to see where your water comes from, because the water have different ppm levels.

We have created a table which describes the source of water and how much PPM is found inside them.

Water SourcePPM
Lake1 to 200 PPM
Groundwater200 to 2000 PPM
River1 to  200 PPM
Reservoirs1 to 200 PPM

3. Water Purifier Technology Available Comparison Chart:

Look at comparison chart of water purifier technology:

Water PurifierPurification TechnologyRemoves Germs & VirusRemoves Heavy Metals & Dissolved ContaminantsKills Germs With Viruses With Uv
UF Water PurifierUltrafiltration✔
RO Water PurifierReverse Osmosis✔✔
UV Water PurifierUltraviolet Filtration✔
Universal Water PurifierRO + UV✔✔
Universal Water PurifierRO + UV + UF✔✔✔

4. Know the types of water purifier

By the way, there are 4 types of water purifiers. We have described them with their benefits and drawbacks following. 

RO water purifiers:

RO purifiers are best for areas that have high TDS level water. RO water purifier can make water free from heavy metals like fluoride, arsenic and other toxic impurities. The problem of RO purifier is that they remove essential minerals from water.

It improves the taste of water.It requires electricity.
It is easy to maintain.It produces a lot of wastewater.

Gravity Based Water Purifier:

Gravity based water purifiers do not require electricity to operate. They can be used in the area where TDS level is low.

These are very budget friendly.These have few features.
These do not require power to operate.

UV water purifier:

UV water purifiers have high power UV lamps to disinfect water and remove contaminants from water. These are good for tap and municipal corporation water. But UV water purification can’t remove dissolved impurities from water.

Maintenance cost is very low.It does not improve water taste.
Low low energy consumption.It does not remove toxic chemicals.
It keeps essential minerals.

UF water purifier:

UF water purifier is good for places where chemical contamination is low. This water purifier cannot remove the chemicals that are present in water. It is only capable of blocking bacteria, viruses and germs. It does not work in hard water.

Does not require electricity.It can not work with hard water.
It works very well in low water pressure areas.
It does not require cleaning from time to time.
It can filter muddy water also.

5. Consider The Water Purifier’s Storage Tank Capacity

Depending on how many members you have in your family, you should consider the water purifier capacity.

The more family members at home the bigger your water purifier Storage tank should be.

Number Of peopleTank Capacity In Litres
1 to 24-5
3 to 46-8
5 to 810

6. Which Water Purifier I Choose ?

TDSType of Water Purifier Needed
50 – 200 ppmUF, UV, UF + UV
200 – 500 ppmRO, RO + UV
Above 1000 ppmRO, RO + UV
Below 500 ppmNoNoGravity-Based Purifiers
Below 500 ppmNoYesUV
Below 500 ppmYesNoUF
Below 500 ppmYesYesUF or UF+UV
Over 500 ppmNoNoRO
Over 500 ppmNoYesRO+UV
Over 500 ppmYesNoRO+UV or RO+UV+UF
Over 500 ppmYesYesRO+UV+UF


We hope that by reading this guide, you have got the right idea which will help you in buying a Water Purifier according to your needs.

If you have got useful information from this Guide, then please share this article with your friends so that they can buy the best, durable, budget friendly and smart Water Purifier too!

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