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Choosing A Best Water Purifier For Your Home

nvesting in a water purifier has become a necessity because of the ever-increasing water contamination. Being an important appliance related to health, it is very important to take some time to analyze and choose the best water purifier within your budget.

So, we have provided 4 decision-making factors in the below guide that helps you analyze the models and choose the best.

4 factors you need to know to make a perfect buying decision

Factor 1. types of water purifiers popular in India

Water purifiers are available in different variants that include UF (Ultra-Filtration), UV (Ultraviolet) and RO (Reverse Osmosis). Some of the models come with a combination of purification technologies like RO + UV. Each of these purification methods have their own set of benefits and drawbacks. We have mentioned brief details below for your reference

TYPES of water purifiers in india
UF Purifiers
Basic Filteration
Also known as gravity purifiers, they use pressure for purifying the water. Being portable, you can carry them anywhere without any hassle.
Pricing Starts from:
Rs. 1099
Impurities It Can Remove
Red
Viruses and Bacteria
TDS Level
Red
less than 500 ppm
Main Benefit
Red
portable & Doesn’t need electricity
Major Drawback
Red
Doesn’t remove dissolved salts
UV Water Purifier
Medium Filteration
As the name implies, they use ultraviolet rays for water purification. These UV rays effectively penetrate the outer membrane of microorganisms to kill them and prevent its reproduction.
Pricing Starts from:
Rs. 5499
Impurities It Can Remove
Yellow
Bacteria, protozoa, virus, proteins, silica, silt, colloids, silica, plastics, endotoxins, smog, pyrogens and macromolecules.
TDS Level
Yellow
less than 500 ppm
Main Benefit
Yellow
Kills almost 99.9% of harmful viruses and bacteria
Major Drawback
Yellow
Not capable of removing muddy or dirt water
RO Purifier
Advanced Filtration
They have an RO membrane with tiny pores of 0.0001-micron size. When the water is forced through this membrane, it rejects impurities and only lets pure water molecules pass through.
Pricing Starts from:
Rs. 7099
Impurities It Can Remove
Green
Lead, Calcium, Sodium, Aluminum, Fluoride Boron, Organic Chemicals, Nitrate, Calcium, Sulfate, Potassium, Magensium and Manganese.
TDS Level
Green
more than 500 ppm
Main Benefit
Green
Provides most filtered & safe water
Major Drawback
Green
Removes healthy minerals as well
Our Recommendation For You
Before purchasing the water purifier, we recommend checking the water source or analyzing common contaminants present in your water source. Based on that, you can decide which water purifier is suitable for your needs. We usually recommend going for RO water purifiers that can deal with most of the water contaminants. However, they can be a little expensive and maintenance is also a bit high. If your water source is naturally clean or already treated for contamination then you can just purchase gravity purifiers. They are affordable and work without electricity.
Read more on RO Vs UV Vs UF – Difference Between RO, UV and UF Purifiers

Factor 2. Choosing as per the TDS Levels of the water source

As you are now aware of the purification technologies, we shall now learn how to decide the purification technology based on TDS levels. Below is a brief explanation of common water sources in India.

Water Sources & TDS levels
Municipal Corporation Supply
TDS (1 TO 200 PPM)
purifier recommended
ultravoilet (uv) + ultrafilteration (uf)
Groundwater/ Borewell
TDS (200 to 2000 ppm)
purifier recommended
ULTRAVOILET (UV) + ULTRAFILTERATION (UF) + REVERSE OSMOSIS (RO)
Multiple sources
TDS (1 TO 2000 PPM)
purifier recommended
ULTRAVOILET (UV) + ULTRAFILTERATION (UF) + REVERSE OSMOSIS (RO)
You may also like to read about the best purifier for borewell water

What is TDS?
It represents the concentration of dissolved contaminants available in the water. Water with higher TDS levels usually has impurities like fluoride, lead, arsenic and others. But if TDS levels are too low, then the taste of water will be terrible to drink. So, it is important to maintain proper levels of TDS while purifying. TDS levels in water are usually measured using a digital TDS meter and represented in PPM (parts per million) or mg/L. For more information on how to measure TDS levels, read our guide here.
You can find the best TDS meters here.

Read complete guide on how to select a perfect water purifier guide here

Factor 3. Consider Right Storage and Purification Capacity

This is the next important factor to consider before purchasing a water purifier for your office or home.

Storage Capacity recommended

The process of purification takes time. Instead of this waiting period, manufacturers have provided storage tanks in most of the purifier models. This tank will collect the purified water. It is helpful for people who live in an area with frequent power cuts and unreliable water supply.

1 to 2 members
Capacity Recommended
4 - 5 Litres
3 to 4 members
Capacity Recommended
6 - 8 Litres
5 to 7 Burners
Capacity Recommended
10 Litres & above
Purification Capacity in purifiers

Purification capacity or flow rate represents the quantity of water purified by the purifier in an hour. It is mostly represented in terms of liters per hour. An ideal flow rate depends on your family’s average water consumption. For most of the Indian households, 12 to 15 liters capacity is suitable. Usually, most of the RO purifier models provide the same flow rate capacity. However, some of the high-end water purifier models can provide more than 20 liters/per flow rate as well. So, analyze your requirements properly to make the right choice.

Factor 4. Other Essential Features to look for

Below, we have mentioned some additional factors that support the water purifiers in terms of quality and efficiency.

1. Tank Material

Plastic tanks are pocket friendly, but germs can resurface. Stainless steel tanks offer longer periods of safety but are costlier.

Considering tank material is important as it is where the purified water is stored. Most of the water purifiers have stainless steel water tanks or ABS plastic food grade tanks. Among them, stainless steel is more durable. Along with that, make sure the tank has proper sealing to avoid external contamination.

2. TDS Controller

TDS Controller checks the water quality of output

This feature is present in some of the RO water purifiers. Usually, RO purification removes 90% of the impurities that include some of the essential minerals and salts as well. Removing essential minerals will make the water less useful to your body. To resolve this issue, manufacturers have added a feature called TDS controller. This feature will check and control the level of minerals and dissolved salts present in the purified water.

3. EAT Technology (Electro Adsorption Technology)

EAT includes five stages of purification which is available in both electric and non-electric models. Some of them also have storage tanks. They are suitable for purifying water with less than 500 PPM levels. The five stages of purification are mentioned below for your reference.

1. EAT Technology (Electro Adsorption Technology)
EAT includes five stages of purification which is available in both electric and non-electric models. Some of them also have storage tanks. They are suitable for purifying water with less than 500 PPM levels. The five stages of purification are mentioned below for your reference.

First Stage – It contains an external pre filter which is capable of removing silt, dirt, silica, and dust. This also removes the lifespan of the filter.

Second Stage – It contains a mechanical filter with sediment mesh. It filters dirt and other suspended solid particles.

Third Stage – It has an electro adhesion filter which removes impurities with negative charge, microorganisms and cysts.

Fourth Stage – It comprises Ion exchange with specially activated carbon granules. It is capable of removing heavy metals like arsenic and lead.

Fifth Stage – The final stage contains electro adsorption that eliminates harmful chemicals like endotoxins, chlorine and pesticides.

4. Water Wastage or Recovery

Some RO models can waste up to 75 to 80%

All the RO water purifiers waste almost 3 liters of water to provide 1 liter of purified water. Some models can waste up to 75 to 80% while some models can purify up to 50% of input water. Considering the global water crisis, it is important to choose RO water purifier only if it is required. If the TDS levels are less than 500 ppm, then it means water doesn’t contain any heavy metals or harmful chemicals. So, gravity-based, UV or UF water purifiers would be sufficient. If RO water purifier is your choice, then we recommend purchasing it from a brand that provides models with higher water recovery ratio.

5. Warranty and After-Sales Service

Warranty

Most water purifiers come with a one-year warranty on the product

Water purifiers need regular maintenance. So, having after-sales support is very important. So, choose a brand that comes with good customer support. Along with that, check the initial warranty period as well. Make sure it has at least 1-year warranty. Some of them provide extended warranty as well which is beneficial.

6. Check for Most Trusted Brands in India

Check out the Best Brandwise Water Purifiers in India here

Things need to know On First Use

Similar to any other machine, a water purifier requires regular cleaning and maintenance. Some people overlook the maintenance part which results in wasting money on repairs and replacements. If the water purifier is maintained properly, then it will enhance the longevity of the appliance. And moreover, you will not face many issues with the water purifier.

Things to know after your purchase
How To Convert Hard Water To Soft Water
How To Choose Water Softener
how to purify water
how to clean aquaguard water purifier
How To Use Ro Waste Water
Tips to Maintain Water Purifier Efficiently
Is RO Water Safe to Drink?
Common Problems with RO Systems & Solutions

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