“Thousands have lived without love, not one without water”. This age-old adage by W.H.Auden accurately specifies the importance of water for existence.
Our list of 8 Best Water Purifiers in India (2021) right below will ease your job to put the seal on simply the best product.
Table of Contents
Best Water Purifiers in India 2021
- White, Capacity: 7 liters tank, Power: 230 watts ; Input Water Temperature: 10 - 40°C and Operating Input Voltage: 150 V - 270 V AC/50 Hz, Material Tank Type- Food Grade Plastic ; Smart LED indication shows Power On, Purification On, Tank Full Status. Overflow Protection : Yes
- Can be used for TDS upto 2000 PPM , Please use a TDS meter to find out the correct TDS of your water source before buying a water purifier , Power Consumption : 40 Watts , Auto-shut off mechanism: Yes , Water Flow Rate: RO PATH - 250 ml/ minute (MTDS is fully Closed), UV Path - 600 ml/ minute (MTDS is fully opened)
- Booster Pump is required for the functioning of water purifier in case of inlet water pressure being less than 0.3kg/cm sq. Available through our service technician at an additional cost
- Kindly note: For every litre of water purified, 650 ml of water is thrown out by the machine. It is encouraged to save the water in a container and use it for cleaning utensils, washing clothes
- This Aquaguard water purifier saves Upto 60% water-Ordinary RO+UV water purifiers end up wasting 50-75% water.Aquaguard water purifiers with superior RO+Uv+MTDS technology purify water and regulate its taste to save up to 60%* water.
- Color- Grey,Capacity: 7 litres tank, Power: 230 watts ; Input Water Temperature: 10 - 40°C and Operating Input Voltage: 150 V - 270 V AC/50 Hz, Material Tank Type- Food Grade Plastic ; Smart LED indication shows Power On, Purification On, Tank Full Status
- Can be used for TDS (200-2000) , Please use a TDS meter to find out the correct TDS of your water source before buying a water purifier , Power Consumption : 40 Watts , Auto-shut off mechanism: Yes , Water Flow Rate: RO PATH - 250 ml/ minute (MTDS is fully Closed), UV Path - 600 ml/ minute (MTDS is fully opened)
- Booster Pump is required for the functioning of water purifier in case of inlet water pressure being less than 0.3kg/cm sq. Available through our service technician at an additional cost
- Can be used for TDS up to 200. Recommended for Municipal water only.
- Installation is provided for this model
- 6 Stages of purification with high water storage capacity of 7 litres
- Active Copper Technology provides goodness of copper in water
- Multiple purification by RO + UV + UF + Alkaline + TDS Control which removes even dissolved impurities such as arsenic, rust, pesticides and fluorides, and kills bacteria and viruses to make water 100 % pure and suitable for consumption. The in tank UV LED keeps purified water pure for longer duration.
- The Alkaline feature in this purifier helps in maintaining the pH of water between 8.5-9.5 and thus provides alkaline and healthy drinking water.Input Power Supply:50-60 Hz
- Zero Water Wastage which ensures that no drop of water is wasted during the purification process. This is achieved by re-circulating the reject water to overhead tank using the existing water booster pump.
- Country of Origin: India
- Color: Black, Capacity: 10 litres, Power: 36 watts, Input Water Temperature: 10Ë to 40ËC, Operative Input voltage: 110 -240V;50Hz, Material tank type: Food grade engineered plastic
- This water purifier provides advanced 7 stage purification to ensure 100% RO water. It enriches water with essential minerals to provide safe and sweet drinking water
- Can be used for TDS up to 2000 ppm. Designed to treat multiple sources of water: Borewell, Tanker, or Tap water.
- Included in the box: Water Purifier, Installation Kit, External Sediment Filter
- Water purifier with advance multi stage purification technology. Best for household drinking water need.
- Easy installation and low service cost.
- Technology: Advanced RO+UV+UF purification, The regulator lets adjust the levels of TDS in the water manually to ensure you get healthy, safe and tasty drinking water
- Kindly note: waste water is thrown out by the machine which also neat and clean. It is encouraged to save the water in a container and use it for cleaning utensils, washing clothes.One year warranty of electronic parts.
- Color: White. Purification by hollow fiber ultra filtration membrane
- Use of nano-silver carbon for better disinfection of water. Long life membrane expected to last upto 4000 Litre
- Transparent tank made of unbreakable ABS food-grade plastic
- High base stand enables easy positioning of glass to draw water
- Multiple purification by UV+UF process happens first by UV followed by hollow fibre UF membrane to completely filter out dead bacteria, viruses and cysts
- Country of Origin- India
- Wall-mounted design to be suited for domestic purposes
- 60 liters per hour purification capacity
- Kindly note: For every litre of water purified, 650 ml of water is thrown out by the machine. It is encouraged to save the water in a container and use it for cleaning utensils, washing clothes.
- HUL Pureit Advanced Pro Mineral RO+UV provides 6-stage purification to ensure 100% RO water. It enriches water with minerals like calcium and magnesium to provide pure and sweet drinking water
- Color: Black, Capacity: 7 litres, Power: 36 watts, Input Water Temperature: 10Ë to 40ËC, Operative Input voltage: 110 -240V;50Hz, Material tank type: Food grade engineered plastic
- Included in the box: Water Purifier, Installation Kit, External Sediment Filter
- This Purifier comes with a Smart Power Saving Mode and can also run without a voltage stabilizer
Best Water Purifiers in India – Buying Guide
Pure and healthy water is a basic need of every household. With increasing water pollution, finding the best water purifier based on the source of input water becomes all the more important.
Sources of water pollution
Drinking water is the most valuable resource for human existence. Having clean drinking water is critical need as well. Yet, the earth’s supply of fresh drinking water is depleting. It is estimated that every year unclean water makes a billion people ill and kills 1.8 million.
Water pollution occurs when harmful toxic substances like pesticides, agricultural wastes, industrial wastes including heavy metal impurities like lead, arsenic etc enter the water. These impurities deteriorate the water and increase the TDS of water making it unfit for drinking. Water pollution is not isolated to only surface water. The harmful contaminants can seep through the soil into the ground and thus making the ground water polluted as well.
Usage of excessive chemicals in agriculture is one of the primary contributors to ground water pollution. Besides, the usage of pesticides in farming has extensively increased. The pesticides contain harmful chemicals and metals impurities including sulphur, lead, etc. These contaminants seep in through the soil into the groundwater, and thus making it polluted.
The municipal and industrial water discharge contribute their fair share to the surface water pollution as well. This results in harmful metals like mercury, lead, arsenic, sulphur, etc. getting added to the water making it hazardous for drinking purpose.
The choice of water purifier depends on type of impurities present in the drinking water supply. The usage of correct water purifier can make sure that you can safeguard your family against all of these harmful contaminants in the drinking water.
Types of contaminants in drinking water
Depending upon the different sources of water, there are various impurities that the potable water comes immersed with. Some of these contaminants might be visible to the human eye while others are indiscernible.
Various water-borne diseases such as typhoid fever, dysentery, diarrhea, cholera, etc are caused due to microbial contaminants found in drinking water. Few of these impurities are bacteria, cysts, protozoa, and viruses.
In order to make water drinkable, it is treated by municipal corporations using chlorine, a common disinfectant. But when it is used in large quantities, it leaves a bitter taste and a pungent smell which is detrimental to human health.
So, in order to ensure good health, one must have a water purifier to get rid of these impurities. Purification technologies such as RO, UV, and UF or a combination of these can immensely help in clearing out these contaminants from water and making it safe to consume.
What is TDS in water and why you should measure it?
What is TDS?
TDS stands for total dissolved solids, it represents the concentrations of the dissolved substances in water. The dissolved substances are made of organic and inorganic matters including metals, minerals and ions. TDS in water can be accumulated from various sources like spring minerals, rocks, chemicals produced from factories, fertilizers in farms, drainage pipes, runoff on roads, water supply pipes etc.
Why do you need to measure TDS?
Water with high amount of TDS can have harmful substances like lead, arsenic, copper etc . These substances can have serious health hazards if consumed without purification.
Increased amount of dissolved solids can produce hard water which can leave deposits on surfaces, utensils, fixtures, pipes etc. Hard water causes water filters to wear out sooner.
Also, on the other hands, water will extremely low TDS can be void of essential minerals like magnesium and calcium. Water with extremely low TDS also has a flat taste, which is unacceptable for many.
Therefore, it is important to determine the TDS of water before deciding on what kind of water purifier is needed.
Recommended Readings: How to check TDS of water?
What is an acceptable TDS level?
- Less than 50: Unacceptable; because it is void of essential minerals
- Between 50 – 150: Acceptable for drinking
- Between 150 – 300: Excellent for drinking
- In range of 300 – 500: Good
- Between 500 – 900: Not good – should not be consumed
- In range of 900 – 1200: Poor and shouldn’t be used from drinking
- Above 1200: Unacceptable and might have health hazards
How to measure TDS?
The next important question is, how to measure the TDS of water. The easiest way to measure the TDS of water is using a TDS meter.
TDS meter is a small hand held device which can be dipped in water to check the water TDS. Since the dissolved solids increase the conductivity of water, the TDS meter works by measuring the conductivity of water to determine the TDS.
How do water purifiers regulate TDS?
The natural unfiltered water contains several essential minerals like calcium and magnesium. Also, since the natural water catches a lot of impurities, it also contains a lot of harmful dissolved solids like lead, arsenic, fluorides, heavy metals etc.
Water filters broadly use two kinds of technology to regulate the TDS and maintain some amount of magnesium and calcium.
TDS Controller
With TDS controllers, the water to be purified is divided into two parts. The first part goes through the RO membrane where all the dissolved solids (including essential minerals) are removed. The second part goes through a UV or UF chamber where the essential minerals are largely retained. Later, the RO filtered water is mixed with a small percentage of UV/ UF purified water and hence regulating the TDS of water. The percentage of water going into the UV/ UF chamber can be controlled using the TDS controller valve, thus allowing you to control the TDS based on taste.
Mineralizer
The water purifiers which use mineralizer to regulate TDS, pass 100% of the input water through the RO membrane. The output from the RO membrane is then passed through a mineral cartridge which restores the essential minerals like calcium and magnesium in the right concentration.
This way the water filters make sure that the TDS of water is regulated and kept between 50-300. This also makes sure that the water has essential minerals and has a good taste.
Key differences between TDS controller and Mineralizer
| TDS controller | Mineralizer |
|---|---|
| Some percentage of water is passed through the RO membrane | 100% of the input water is passed through the RO membrane |
| Not suitable for water with high concentration of heavy metals like lead, arsenic, fluorides etc | Since, 100% of water passes through the RO membrane, it is capable of removing most of the impurities including lead, arsenic etc. |
| Provides control over the TDS of filtered water | Generally, there is no control on the TDS of water |
| Small and cheap device | Mineral cartridge which requires annual maintenance |
Recommended Reading: TDS Controller vs Mineralizer
Water purification technologies
Sediment Filter
Usage of sediment filter along with a water purifier is optional and helps increase the life of water filter RO membrane. It is generally fitted outside the water filter and attached to the water input source. This filter essentially works like a net that catches large suspended impurities and turbidity in water.
You don’t need to install an external sediment filter if the input water doesn’t contain any visible suspended impurities or turbidity. Places where the input water comes without pre-treatment by the municipality should use an external sediment filter.
Generally, sediment filter can be used with all the water purifier types.
Carbon Filter
Carbon filter removes chlorine, volatile organic compounds (VOC), bad odor and unpleasant taste from the water. These filters work using activated carbon. Therefore, as water passes through the carbon, impurities like VOCs and heavy metals become chemically bonded to carbon.
Carbon filter can only remove impurities which can bond to carbon. Hence, we need to use further stages pf filtration to remove other impurities.
RO (Reverse Osmosis) Filter
RO water purification is the most important stage of filtration in the entire purification process. The water coming out of the carbon filter passes through the RO filter membrane.
Reverse Osmosis filtration process works by forcing water through a fine membrane by applying pressure. As a result, the impurities inside the water are left behind as the water passes through the membrane. These membranes work by removing impurities based on their size. This means, that the filter doesn’t allow particles which have size larger than the water molecule. RO membranes work well in filtering most of the impurities including harmful chemicals, heavy metals, ions, bacteria, pesticides etc. Thus, it helps in reducing the TDS of water by 90-95%.
The water is separated into two parts. The impure water goes down the drain, and the pure water passes onto the next stage of purification.
UV (Ultraviolet) filtration
Ultraviolet water purification technology is highly effective in treating water containing residual germs like bacteria and viruses. Like, RO water purification, UV also uses electricity to function. However, this process is completely chemical free.
This purification technology depends on the usage of ultraviolet radiations to kill the dissolved bacteria and viruses. The UV filters come with a UV bulb fitted, which produces strong UV radiations. As the water passes through the membrane, ultraviolet rays penetrate through the harmful pathogens and destroy these illness causing micro-organisms.
UV purification, in itself is generally not sufficient in treating the input water to make it suitable for drinking. Reason being, that it is only useful in killing the dissolved bacteria and viruses. UV purification can not remove dissolved impurities like heavy metals, pesticides, VOCs etc. UV purification is often used in conjunction with the RO water purification technology.
UltraFiltration (UF) purification
UF water purification technology works similar to the Reverse Osmosis (RO) technology. However, in case of ultra-filtration, the pores of the membrane are much bigger as compared to the RO membrane. Also, ultra-filtration doesn’t require electricity for functioning.
Since, the pores of membrane used in ultra-filtration are larger than those used in RO filtration, it doesn’t block harmful impurities like pesticides, chemicals, heavy metals etc. Therefore, it is generally used in combination with RO filtration.
Most of the modern day water purifiers use RO, UV, and UF in combination to achieve the best results. We have discussed further below, how you could choose between these purification technologies based on your input water source.
Recommended Readings: RO vs UV vs UF water purifiers
Factors to consider while buying water purifier
Know your water input type – Choose between RO/ UV/ UF
Having discussed in detail all the water purifier technologies, by now you should have some clarity around how different purification technologies work. Following factors should be considered to choose the best water purifier suited to your home supply water:
- TDS test to check the concentration of dissolved impurities in the input water. This is bare minimum test which must be done.
- If there are industries nearby, chemical test should be done to find out if the source water contains heavy metal impurities. It is possible that the input water has TDS less than 300 PPM, but still contains significant concentration of lead, arsenic, mercury etc.
- Check if the water looks turbid
- Find out if the input water supply is known to contain dissolved virus and bacteria. If you are not sure, it is good to consider a water purifier which comes with UV filter.
Here is an indicative table you can use to figure out an ideal water purifier based on these different factors:
| TDS of water | Contains Turbidity | Bacteria and Virus | Ideal water purifier |
|---|---|---|---|
| Below 300 PPM |  |  | UF water purifier |
| Below 300 PPM | | | UV+UF water purifier |
| Below 300 PPM | | | UV water purifier |
| Over 300 PPM | | | RO+TDS controller/ Mineralizer |
| Over 300 PPM | | | RO+UV water purifier+TDS controller/ Mineralizer |
| Over 300 PPM | | | RO+UV+UF with TDS controller/ Mineralizer |
If you are still confused, it is always safe to go for RO+UV+UF water purifier.
TDS controller vs Mineralizer
As we have discussed in detail earlier, water purifiers regulate TDS using either TDS controller or Mineralizer.
In case there are industries nearby and the input water has high concentration of metal impurities, it is generally safer to use a mineralizer instead of TDS regulator.
Storage capacity
Storage capacity of the water tank is a personal preference based on the size of the family and the power stability in your area. If you live in an area with frequent and long power cuts, then you might want to go with a purifier which has a large storage tank. This will make sure that you get continuous supply of pure water even when there is no power.
Budget
Budget is an important consideration while buying a water purifier. If you are on strict budget then do not blindly opt for RO+UV+UF+TDS. Going for all the filters might unnecessarily increase your budget, when your requirement might just be UV+UF.
You should do a TDS test on the input water, and then decide which purification technology is required. You might also want to go for a water purifier with TDS controller instead of Mineralizer if you have a lower budget in mind.
Best Water Purifiers in India – Frequently Asked Questions
Winding-up
This brings us to the end of reviews and buying guide for 8 best water purifiers in India (2021). We hope that our buying guide was useful in clearing off the majority of your doubts regarding the different water purification technologies and also helped you to know which one is apt for you.
If you still have any queries regarding which water purifier to buy, feel free to drop a comment in the section below and we will get back to you.
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Last update on 2021-08-04 / Affiliate links / Images from Amazon Product Advertising API