10 Best Water Purifiers in India 2021 | Reviews, Buyer’s Guide & Comparison

What/which are the best water purifiers in India 2021? What are some pro tips for buying best Ro water purifier for home use in your budget?

Should you buy RO, UV, NF or UF, Should you buy it online or from showroom?

Or most importantly do you even need a water purifier? Are you sure you are not falling into the marketing gimmicks of water purifier companies?

Few months ago I bought Kent New Grand 8 litre water purifier for my 5 member family, But I advice Kent Grand Plus now as it is the latest model .

Before buying it I did a lot of research, so to save some of your time I have gathered all my experience here in this article and I also recommended to read this water purifier buying guide.

You will get all your answers here just stay here with me for 5 mins, if some of your query still remains unsolved, I request you to post them in comment section below, I will answer ASAP.

Best Water Purifier In India 2021

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Which is Best RO Water Purifier In India 2021?

But first let’s understand what is RO?

Please be advised that water purifier does not mean RO (reverse osmosis), People casually use RO term for all the water purifiers which is quite misleading and can be detrimental to health. RO is just a technology from various type of technologies from water purifiers or you can just consider RO as an one type of water purifier from RO, UV, UF, NF and gravity based water purifier.

And everyone does not need to buy the RO Technology!

What is RO Technology?

RO (reverse osmosis) is a water purification process for treating heavily contaminated and salty water (mainly invented for marines living on ship to make the ocean water drinkable) in this water passes under high pressure through semi-permeable membrane with pore diameter 0.0001 micron which allows only water molecule to pass through it and impurities such as heavy metal, rust, mud, sand, chlorine, bacteria etc. and essential minerals naturally present in water such as Ca, Mg, K and are good for our health are also filtered out with impurities and are excluded with waste water that comes out of RO purifier.

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Who Should Use a RO Water Purifier?

Buy an RO Technology when your drinking water TDS level is greater than 300mg/l

1. When TDS level is greater than 300mg/L.
2. If you have hard and salty drinking water in your locality.
3. If the municipal water you receive has high content of chlorine.
4. If you have the yellow and foul smell water from well or bore-well in your area.
5. Use RO if Industrial and polluted water contains harmful chemical such as Lead and Arsenic.

But the question arises,

Now let’s see some of the best water purifiers in RO technology in India 2021 below.

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Kent New Grand vs Kent Grand Plus vs Kent Grand Star – Best Water Purifiers in RO

Main Difference b/w Kent Grand, Kent Grand Plus and Grand Star.

Kent Grand Plus also features in Top 10 Amazon Bestseller Water Purifier list.

Difference between Kent Ace vs Kent Pearl vs Kent Ace Plus

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Key Features in Kent Grand Series

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Why Choose Kent Grand Plus Over Grand New and Grand Star?

Kent Grand Plus which is best water purifier in India has 7 stage purification mechanism with TDS controller which not only highly purifies the water but at the same time prevents essential minerals present in water good for our health.

Kent Grand series are all similar with few differences but we recommend Grand plus because it has ZERO WASTAGE WATER TECHNOLOGY which you you will not find in Kent Grand New because Grand Plus is the latest and Upgraded model of Kent Grand New.

If you are purchasing online you can get confuse that Kent Grand New has more reviews and ratings than Kent Grand Plus, this is because Grand New has been since 2017 or 2018, people are reviewing since then but Grand Plus is the latest model and has been recently added in the e-commerce sites listings.

And we don’t recommend Grand Star because digital display is unnecessary and it just adds up to more cost and further there has been many complains from customers display not working properly and getting defective soon. Some time RO may be working perfectly but it may be showing TDS levels high (like in below image).

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Grand Plus Design and Working

Stage 1: Raw water is passed through the sediment filter for removing Sand and Dirt and other inorganic impurities.

Stage 2: Then Passed through Activated carbon filter where other organic impurities like chlorine, etc gets filtered out by sticking on carbon filter which removes the foul smell of water and makes the water taste better.

Stage 3: Then One stream of water is pushed into the RO membrane where the water is passed 0.0001 micron diameter pores, where only water can be passed through these pores and all other organic impurities such as heavy metal Lead and arsenic and salt from hard water are left behind.

Stage 4: The other stream is passed through UF membrane (pore size 0.01 micron) here organic impurities and heavy metals are filtered out but as the pore sizes are greater than of RO membrane, essential minerals good for our health are not filtered out.

Stage 5: After this TDS controller is regulated in such a way to mix water form RO membrane and UF membrane filter that it achieve the desired TDS that you want.

Stage 6: Then filtered water is passed through UV chamber, where Ultra-violet light kills the germs and bacteria present in water.

Stage 7: Then water is passed through another small post-carbon filter to improve the taste of water again because water coming from UF filter will still have some still some chlorine left.

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▼ Kent Grand - Frequently Asked Questions (FAQs)

▲ Kent Grand - Frequently Asked Questions (FAQs)

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Eureka Aquaguard Aquasure Delight vs Amaze vs Smart Plus

There is No actual difference between Aquaguard Delight, Aquaguard Amaze and Aquaguard Smart Plus. The only difference is in Design, color and release date. All the other features are same. These series does not contain UF (Ultra filtration) filter and active copper cartridge like aquaguard Enhance or their other higher end series.

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Key Features Of Aquaguard Delight and Amaze

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Why Aquaguard Delight/Amaze is the Affordable Best Water Purifier 2021?

Though all three Aquasure Delight, Amaze and Smart plus have same features with minor differences in design we recommend you to buy Delight or Amaze rather than Smart Plus because Delight and Amaze are the latest version and released after Smart plus, Moreover Smart plus uses mineral cartridge to add mineral artificially through chemical balls, whereas, Delight and Amaze uses Manual TDS control to retain the essential minerals and Post carbon filter instead of mineral cartridge to improve taste of water.

The filter cartridges are designed as per the latest standards in industry to last upto 6000 litres. Suppose each member drinks 3L water on daily basis, so for a 5 member family daily consumption comes to 15L/day. Multiplying 15L with 365 days it comes to 5475 litres, so filters can last upto slightly more than a year. So easily suitable for 5-7 member family.

Further, it is very easy to use, you don’t have to take care of switching the plug on/off, you can leave the switch always open, it automatically cuts the power when tank is full and starts automatically at the time of purification and tells you through LED indicators if it is in operation or the water tank is full, it can also be used with invertor connection because it only requires 45W power, thus a best RO water purifier under budget.

And the UV lamp has a life of 8000 burning hours and comes with a beep alarm to notify you at he right time if anything is not right with UV Lamp so to protect you from bacteria and virus in drinking water.

Aquasure Delight is from the leading Aquaguard company, most preferred brand for water purifiers in India which is known for its quick customer and after-sales service with a large service network spread over in 1500 cities thus a best water purifier in India.

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Delight/Amaze Working and who should buy this?

The working of Aquaguard Delight is as same of Kent Grand Plus Working with only ultrafiltration (UF) stage missing that’s why we recommend using a Pre-filter with it so if the turbidity in your water is high it does not reaches in end filtered water.

Who Should use aquaguard Delight/Amaze?

Aquaguard Delight is best water purifier for TDS of 300mg/L-500mg/L or if you are recieving muncipal water, that has less dissolved impurities.

If TDS of your water is more than 600mg/L or if you are confirm that your water source is contaminated with Arsenic and Lead you should not opt for this purifier, kent grand plus or aquaguard enhance will be a good fit for you. Because after some percentage of water is bypassed through TDS controller (MTDS) there is no UF filter between MTDS and UV filter so some of the dissolved organic impurities may pass through it in filtered water that alone sediment filter won’t have been able to filter out.

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▼ Aquaguard Delight/Amaze - Frequently Asked Questions (FAQs)

▲ Aquaguard Delight/Amaze - Frequently Asked Questions (FAQs)

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Eureka Aquaguard Enhance RO + UV + UF + MTDS vs Enhance RO + UV

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Key Features in Aquaguard Enhance Series

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Why Aquaguard Enhance is in the Best Water Purifier List?

Though it has less storage capacity of 7L in comparision to Kent Grand Plus (9L) but if your family is not too big 7L with 15L/h purifying capacity is the sufficient and makes it compact, occupying less space on the wall.

What makes it a best RO water purifier and differenciates it with Kent Grand is the presence of Active Copper Cartridge in the place of post carbon cartridge which works same as post carbon improving taste and smell of water but with added copper ions to boost your immunity and polishes the water for a sparkling look.

The rest is as same of Kent Grand Plus but it does not comes with any ZERO Water Wastage Technology, so you will have to save the waste water for watering plants or mopping floor or cleaning utensils.

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Aquaguard Enhance Design and Working

The working of Aquaguard Enhance is as same of Kent Grand Plus Working 7 stage purification with manual TDS controller, the only difference is in the end stage kent uses post-carbon filter and here aquaguard enhance uses Active copper filter which serves the same purpose as post-carbon filter of improving the taste of water but with added copper ions good for health.

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▼ Aquaguard Enhance - Frequently Asked Questions (FAQs)

▲ Aquaguard Enhance - Frequently Asked Questions (FAQs)

What is Chemi Block, I-filter and Mineral Guard Technology?

Chemi block is same as pre-carbon filter which helps in removing dissolved organic impurities, foul smell and improves the taste of water.

i-filter is the sediment filter to filter out sand and dust particles.

Mineral Guard stops the organic impurities and lets the essential minerals present in water pass through it so you get the mineraled water.

What is MTDS or TDS regulator or controller?

MTDS is the TDS regulator same as in kent purifiers which helps in achieving the desired TDS level good for health (b/w 100-300 mg/l). Though it is written on water purifiers manual TDS control it does not mean that it is something or some setting you can control from outside, manual TDS is set up inside the purifier by the service guy at the time of installation, so tell him what TDS you want between 100-300 mg/L, usually they set it up to 150 mg/L. To know more see how TDS controller works.

What is Aquaguard Annual Maintenance Cost (AMC) or Filter Replacement Charges?

Installation, service and filter replacement is totally free till 1 year warranty period. AMC costs around Rs 4000 for 12 months and around Rs 7000 for 24 months, If you opt for annual maintenance during festival offers, you can get 500 to 1000 rupees discount. Life of filters are 6000 litre or 1 year. So you need to change filter depending on your daily consumption.

Does aquaguard enhance have Filter Change And UV Fail Indication?

UV chamber is made of steel or Aluminium?

It is made of steel.

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Havells Max Alkaline vs Havells Max vs Havells PRO

Difference b/w Max Alkaline, Max and PRO.

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Key Features Of Havells Max

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Why to Choose Havells Max over Havells Alkaline?

Scientifically the ph of drinking water should be between 6.5-8.5, but recently there has been trend of alkaline water that it is best for health but there has been no scientific proof that if you should not drinking acidic water then you should drink alkaline water that is totally a myth.

Havells Alkaline adjust the ph of water b/w 8-10, usually around 9, that is out of the recommended range (6.5-8.5) for drinking water and moreover it adjust the ph chemically, it is not natural. So Alkaline filter is not a must then why to add more to the cost.

Whereas, Havells max adjust the ph through standard mineral cartridge and Activated carbon filter layer in taste enhancer, its ph value comes in recommended ph range, making it a best water purifier for home use.

You can opt for Havells PRO also if you want to save some more bucks because Revitalizer Cartridge has some benefits but it is also not a must.

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Havells Max Working

Stage 1 (Sediment Filter): Filters out dust, clay, sand, silt and other suspended impurities.

Stage 2 (Activated Carbon Filter): Activated carbon adsorbs dissolved organic impurities, chlorine, other impurities on its surface thus also removes foul smell in water if any and improves taste of water.

Stage 3 (RO Membrane): Water passes through very tiny pores of 0.0001 micron in diameter, thus all the impurities and even essential minerals are filtered out, thus a best RO water purifier.

Stage 4 (UV Chamber): then water passes through Ultraviolet (UV) Disinfection Chamber where UV light kills the bacterias and viruses present in water.

Stage 5 (Mineral Cartridge): Mineral cartridge has different layers of ceramics, stones and calcium balls. As the minerals are also filtered out through RO membrane, mineral cartridge adds essential minerals such potassium, calcium, magnesium, sodium etc when water passes through these layers.

Stage 6 (Taste Enhancer): Taste enhancer is like post carbon filter it improves the ph and taste of water and provides the water a sparkling texture.

Stage 7 (Revitalizer Cartridge): Breaks down water molecules and makes them biologically active for better absorption and hydration in human body.

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▼ Havells Max - (FAQs)

▲ Havells Max - (FAQs)

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Blue Star Aristo RO + UV Water Purifier

Note: Not recommended if your water TDS is below 300mg/L, Because 100% water passes through RO membrane and TDS becomes very low if the orignal TDS is already low, very low TDS water is not good for health.

Key Features of Bluestar Aristo 7 Litre

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Why Aristo is a best water purifier and how it works?

Those who have tight budget and want to buy branded Ro purifier BlueStar Aristo is your water purifier. It comes with pre-sediment filter that in most of the other purifiers you have to buy it separately.

In its 6 stage purification water is first passed through prefilter for removing suspended solid.

Then passed to Activated Pre Carbon Filter which adsorbs dissolved organinc impurities on its surface like chlorine, flouride and also removes the smell, yellowishness and odor.

Then passed through Finer Sediment Filter of less pore diameter to remove finer dust, sand particles and cyst.

After that water is passed through double layered RO membrane thus removing 96% impurities, but note as RO also filters out essential minerals also water becomes slight acidic here.

Then water is passed through Copper Impregnated Activated Carbon Filter which has antibacterial properties and aqua taste booster inside it for rebalancing the ph of water as after RO membrane water became slightly acidic, so this fixes that.

In last stage water passes through UV disinfection chamber where bacterias and viruses are killed.

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▼ Blue Star Aristo - (FAQs)

▲ Blue Star Aristo - (FAQs)

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Faber Galaxy Plus RO+UV+UF+MAT Water Purifier

Faber Galaxy Plus Key Features

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Why Buy Faber Galaxy Plus Purifier?

You get almost what you need in a best RO water purifier in just under 11,000 rs. You get free pre-sediment filter with it, world class quality Ro membrane plus copper guarded mineral cartridge (MAT).

Complete 8 stage purification with 9 litre max storage just under 11,000, Faber is giving you a deal best water purifier that you may hardly get with any other brand.

Faber Galaxy Plus Specification:

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▼ Faber Galaxy Plus - (FAQs)

▲ Faber Galaxy Plus - (FAQs)

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HUL Pureit Marvella Sleek Mineral RO+UV+MF+MP Water Purifier

Key Features

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Why Pureit Sleek is the best value for money water purifier?

Earlier HUL purifier used to have high price but out of the rising competition in water purifier market HUL pureit has to provide best value in affordable price.

In Pureit Sleek you have all the required filters needed like RO,UV,UF and both the Pre and post carbon filter (with mineral cartridge) with 8L storage capacity (best for upto 8 people) just under 15,000 rupees.

And on the tip of iceberg you get an advance LED alert system that ensures you get alert 15 days before your Germ Kill Kit(GKK- all the filters combined) expires and stops the water in storage tank after filter expires, so you don’t drink unsafe water, but also high maintainance cost.

But this advance alert system calculates the filter life on the basis of pump running hours, it does not take into account the quality of water. The purifier alerts you after 315 running hours and stops filtering water after 330 running hours, but suppose if you don’t have that much high TDS water (like 900mg/l) and have TDS around 300mg/L then filter may still be in good condition but it forces you to change the filter before that.

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▼ Pureit Marvella Sleek - (FAQs)

▲ Pureit Marvella Sleek - (FAQs)

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Kent Pride TC RO+UF+TDS controller

Key Features

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Why Buy Kent Pride 11087 TC?

Kent Pride TC is same as other kent water purifers but with only neccessary feature to make it a best budget Ro water purifer. Like it does not have Zero waste water Technology and No UV Disnfection Chamber and no Post Carbon Filter.

It has booster pump but will still require some inlet pressure, the purifier does not start if inlet water supply pressure drops below 0.3kg/cm².

Reasons to buy: Leakage proof, High storage capacity, fast water purification with 15L/hour capacity, Manual TDS control.

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▼ Kent Pride TC - (FAQs)

▲ Kent Pride TC - (FAQs)

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KENT Superb Star RO+UV+UF+TDS Controller Water Purifier

Key Features

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Why Buy Kent Superb Star?

Do not get it confuse with Kent Super Star, It has transparent TOP body, but superb star has full covered body.

It has almost all the same features with design changes, save water technology, Digital Display and In-Tank UV disinfection lED instead of a UV chamber. In In-tank UV purification Water is treated with UV in the very last step, wher the water is stored.

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▼ Kent Superb Star - (FAQs)

▲ Kent Superb Star - (FAQs)

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Aquaguard AquaSure Splash RO+UV+MTDS

Key Features

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Why Aquasure Splash is affordable best RO water purifer?

This Ro purifier costs only around 13,000, Aquasure Splash has all the same filter configuration as Aquasure Delight but to make it more affordable it has been not equipped with any filter change or UV fail Alarm and storage is also 6 litre instead of 7L as in Delight.

It is just one button and very compact water purifier good for 4-6 member family. It takes around 25-30 mins to fill 6ltr capacity which is good enough.

The working is same as of Aquasure Delight, water is passed through sediment filter, then to chemi-block then to RO membrane then water is mixed with water coming from TDS controller and then passed from UV chamber and Post carbon filter and stored in tank.

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▼ Aquaguard Splash - (FAQs)

▲ Aquaguard Splash - (FAQs)

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How to Find a Best Water Purifier for Your Home? – Buying Guide

Below are some quick to the point factors to consider while buying a best water purifier in India, but we have also written a detailed buying guide if you want to know more in deep.

Source of Water, Type of Impurities and TDS Level of Water

First we need to know what kind of water we are getting at our respective homes, then what types of impurities are present in different type of sources, how it affects TDS level then choose the right purification technology according to that.

Below table mentions the different source of water and different impurities found in them.

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Chlorine/Bleaching Powder: You will mainly find chlorine and bleaching powder in municipal supply of water, they are used as chemical disinfectant to kill bacteria and viruses present in filtered water by water treatment plants, it is safe to drink this water but not for prolonged time and moreover the water doesn’t taste and smell that good because of chlorine.

For the municipal water you really do not need a RO water purifier because the municipal water is already treated with coagulation/flocculation, sedimentation, sand filtration and activated carbon adsorption in treatment plant and its TDS level is also kept around 300mg/L, so a UV based Water Purifier or gravity water purifier with some activated carbon filter will be best suitable for municipal water.

Micro-organic impurities such as bacteria, viruses, protozoa, can be found in all sources of water due to rise in water pollution these days and can cause water borne diseases, to prevent this you should use UV equipped Water purifiers.

Heavy Metals like Arsenic, Lead, Mercury are toxic to health these are not found in municipal water but can be found in ground, borewell, lake water espicially if the near water source is exposed to industrial pollution, in this case TDS could range between 400-above 1000mg/l, so the use of RO water purifier is recommended here but with use of mineral cartridge or TDS controller.

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TDS Levels and Type of Purification Technologies in Water Purifiers

If you still don’t know what TDS (Total Dissolved Solid) is, please read we explained it above.

Below Image explains Recommended Purification Technology for different TDS levels.

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RO (Reverse Osmosis) Technology, we already explained it above.

Ultra Filtration Technology has larger pore diameter (0.01 micron) than than that of RO membrane (0.0001 micron) and electricity is not needed as it is needed to force water through RO membrane because of finer pores. UF Tech can be used for TDS level below 300ppm, it can not filter out dissolved impurities so that is why UF Filters are recommended for TDS level below 300mg/L. And thus it also retains minerals.

But it is not always used alone in water purifiers for TDS above 300mg/L you should use RO+UF+UV Tech. and for below 300mg/L use UF+UV water purifiers or gravity water purifiers.

Nano Filtration Technology has pore diameter (0.001 micron) between Ultrafiltration and Ro membrane but is not generally used in water purifiers that is why above 300mg/L TS RO purifier is recommended and below 300mg/L UF membrane.

Ultra Violet Technolgy (UV water purifiers) is used for killing bacterias and viruses, so not used alone it is used in RO+UF+UV or RO+UV or UF+UV configuration and also with pre-activated carbon filters.

Gravity Based Purifiers or Non-Electric Purifiers are use for Low TDS water like municipal water or if your ground water has low TDS, this uses gravity for filtration and no electricity is required for this, water is pored from top and it passes downward through sediment filter with the help of gravity into next chamber of activated carbon filter for removing organic impurities and foul odor and smell and then to UF membrane or other taste enhancer cartridge.

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Technical Specifications to Consider

1. Storage Capacity

Water purifiers comes with Storage capacity ranging from 6 liter to upto 12 Liters.

It depends on how much member are in your family or office 6 litre is easily sufficient for 4-6 people, 9 liter is good for below and above 9 litre also.

2. Purification Capacity

It can go from 11L/hour to 20L/hour, purifier with 12L/hour can fill the tank easily in 30 min, generally if the water purifier has more filtration capacity like 20l/h, most probably it is using TDS controller and in case of 11L/h 100% water must be passing through RO membrane that is why it is taking more time.

3. Tank Type

Generally all of the branded purifiers are made of ABS food grade and corrosion free plastic. That is why local purifiers are not recommended they uses cheap plastic and low quaity filters that may actually harm your health, they are just selling the copy of branded purifier.

4. Indicators & Alerts

It is important that you change filter year after year, to facilitate this companies has LED indicators or Beep alarms to indicate that it is time to change filter but if you need a budget water purifier and that purifier doesn’t have filter and UV change indicator no need to worry because even if filter is not working properly you will come to know by the taste and smell of water and keep always a TDS meter (costs around 250 rs) in your home and keep checking water TDS on monthly or weekly basis. If the water smells or if the TDS level is way to above, it’s time for you to change purifier filter.

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5. Mount Type

Most of the water purifiers can be used by mounting on wall or just placing it on table Top. But There are also havells like purifer which can be mounted in the corner of walls.

6. Water Recovery / Water Wastage

When the water is forced to pass through RO membrane, the water that passes out of the membrane and go ahead towards storage tank is called recovered water the water that is left behind and exits outlet is the waste water.

Generally 35% of water is recovered from inlet water that means for 1 litre purified water 2 liter water would be wasted.

But there are purifiers like kent grand series which computer control technology for autoflushing and autocleaning of the RO membrane thus letting pass more water through it, Kent water purifiers claims 50% water recovery.

7. Price

Price may go from 5,000-30,000. But with the fierce competition in market purifer prices have come down just like any other electronic items like mobile and LED TVs.

The price mainly depends on the number of filtration stages it has, means more the cartridges more the cost and if it is equipped with digital display or advance LED indicators the price may go up.

You can get all the neccessary features around 18,000-20,000. But if you need more advance features like digital display and Activated Copper ions technology the prices can go upto 30,000.

Warranty and After Sales Services

It is important to choose right brand for great after sales service because it is not a one time buy product, it will require maintenence from time to time, so you need fast and professional service. All the brands that we mentioned in our water purifier list are from well established, old and big companies mostly having service centre in every prominent area.

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Frequently Asked Questions (FAQs)

What is a pre-filter, Is it necessary, Should I get it Installed?

When you get a installation call from any water purifier brand you may be asked if you also want to install a pre-filter with your water purifier, so prefilter is a extra sediment filter that does not come inside the box of water purifier you purchased, it is a separate filter (an add-on) that costs around Rs 800, it will not be free.

So you should use it only when your source of water has a lot of dirt or sand particles or other visible impurities like if you are receiving water from overhead tank or bore-well or high TDS more than 900mg/L, Pre-filter helps in increasing the life of main filters (that can cost upto Rs 2000 per filter) present inside the water purifier by filtering those solid impurities by itself. So it better in this case to pay 800 for a prefilter than to pay 2000 for main filter replacement after some time. Main filter has a life of 1 year but a pre-filter can increase its life upto 2 years, that’s why recommended.

But if you are receiving the water from municipal that water already has a TDS of 300mg/L, there will be no need for a Pre-filter in that case.

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Which water Purifier brand offers the best after-sales support and customer care service?

Water purifers requires more cyclic service than your bike or car. That’s why we recommend to buy only branded, old and established companies purifers, like Kent, Aquaguard, Havells etc.You can search for Toll Free number on google for any of the companies and ask them if they have service in your area.

Some of the Major Brands customer care number are given below.

• Kent: +91 9278912345, 9582-123456
• Aquaguard: 18602661177 or 7039883333
• Havells: 1800 11 0303, 1800 103 1313, 9152007558, customercare@havells.com
• Blue Star Aristo: 1800 209 1177
• Faber Galaxy: 1800-209-3484, email: ks-customercare.in@franke.com
• HUL Pureit: 1860-210-1000, 1860-180-1000, pureit.hul@unilever.com

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What is the annual maintenance cost (AMC) for an RO water purifier?

AMC for almost all major brands is same around 4000 rupees. Cost includes replacement of various filters like RO Filter, UF filter, Carbon Filters etc. For Optimum performance one should replace filters every year. But your water TDS is low the use can be extended upto another 6 months.It is advised you keep a TDS meter in your home for monthly check of tour TDS readings of your tap water.

What should be the TDS level of RO Water?

Read all about TDS above.

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Which water purifier is best for Borewell water?

First Buy a TDS meter irrespective of source of water, if the TDS is below 300ppm go for gravity based purifiers or UF+UV purifiers and if above 300ppm then go for any of the RO purifier mentioned in above beat water purifier in India 2021 list.

What are TDS Controllers / Regulator / Modulators?

RO membrane, with impurities also filters out the essential minerals present in water, which is not good for health. So, to maintain the mineral content in water, inlet water is divided into two streams one is passed through RO membrane and the 2nd stream is passed through UF Membrane (does not filters out minerals) and then to TDS bypass wall which controls how much amount of 2nd water stream should be mixed with Main RO water stream to attain the desired TDS level and amount of minerals in water and improves the taste of water too.

There are other water purifiers also which uses passing of 100% water through RO membrane and uses mineral cartridge to maintain the minerals, but TDS controller is the new and widely prefered technology these days.

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What is Mineralizer / Mineral guard

Mineralizer are the mineral cartridge, inside cartridge there are different layer of minerals stones present in it for adding different minerals in water. One should remember it to change mineral cartridge every year because with time minerals wear out from these mineral stones, otherwise you will be drinking mineral-less water.

Mineral Gaurd is a Technology by Aquaguard that filters out the organic impurities and lets the mineral pass through it, it is same like UF Filter.

How much water is wasted with RO water purifier?

Already Mentioned Above in Water Recovery.

I am getting a non-branded RO at half the price, should I buy?

Strictly NO, Local purifer filter does not work great, they are unable to filter out impurites and bacteria that effectively and stops working within few months. You can see the difference in this video.

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Will I get the free installation and warranty if I buy a water purifier online?

Yes You will get complete free installation and Warranty from the respective brand if purchased online. They call you by themselves for the installation within the next two days or you can call them by yourself also on their Toll Free Number.

Purchase only Amazon Fullfilled/Prime or Flipkart Plus Product, that is the gurantee of authenticity and there will be no issue if you want to return the product.

Benifits of Buying Online:

1. 30 days return policy, No questions asked
2. bank and credit card discounts
3. offers and less price than offline / shops
4. 100% genuine product from authorized dealers
5. Free installation by the brand
6. Free extended warranty at a very low price if any offer
7. Can Separately purchase extended warranty online
8. Wide range of water purifiers to select from
9. read customer reviews and photos and buy confidently

ABS Plastic or Stainless Steel tank – Which is better?

You will be using storage tank to store water, so the longevity, durabilty and most importantly contamination, bacteria and corrosion free matters, Stainless steel with over time may get corrosion and rusted. That’s why ABS FOOD Grade Plastic is used in water purifiers so it may not corrode and also not get funge or algae in it.

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Conclusion

If you want a purifier with all the latest technology and widely trusted go for Kent Grand Plus is our best water purifier in India 2021 and if you want to go with Aquaguard Brand the Aquaguard Enhance is the face against Kent Grand Plus.

Aquaguard Delight and Amaze are our Runnerup and budget water purifiers. And if you want passing of 100% water through RO and water purifier with Mineral cartridge Havells Max is the best choice in this water purifier list.

If you still have any doubt and planning to buy a RO water purifier feel free to ask or comment in below comment section and do read our Water Purifier Buying Guide for more clarification.

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