Best Alkaline Water Purifier in India – Buying Guide

By Arindam Roy

We all know that health is wealth. But how is that possible if your water is not pure? Now, having regular purified water is undoubtedly beneficial, but, when you add the goodness of alkaline in it, it becomes much more effective.

Finding the best alkaline water purifier can be a much more daunting task for you as there are hundreds of companies, who claim to be the best, but fail to meet the expectations. Also, what to look for in a purifier is another important aspect to know about.

But don’t worry, you’ll get to know everything important about an alkaline water purifier by the end of this article. And probably you should find here the right purifier for you that suits your all needs as we have presented here the reviews of 11 top-rated water purifiers along with their pros and cons so that you can pick the right one.

1. Havells Max Alkaline 7-Liter RO+UV: Top Rated Alkaline Water Purifier (Blue/White)

Best Alkaline Water Purifier in India

If you are looking for a reliable one alkaline purifier for your home, then this one is just mad for you. This purifier comes with a safe design that is equipped with 100 percent of RO and UV purification technology, which is also capable of fortifying the minerals, that makes it alkaline based.

This 7-litre capacity water purifier uses the 7- stage purification system that offers a great balance to the water between the pH 8 to 10, which is essential for delivering the alkaline water. Along with a unique design that features a pearl white and navy blue colour combination that adds up to the aesthetics of your kitchen.

Along with the space-saving design, it comes with a mountable construction that can easily be installed on the wall or the tabletop, as per the user’s convenience. Therefore, the iProtect, purification monitoring design comes with the safe drinking features, that cuts off the water flow, once the water is no longer safe for drinking.

The alkaline feature adds taste to the water, while the RO and UV technology removes all the impurities like, heavy metals, viruses, bacteria, cysts, pesticides, etc. the Mineralz technology helps in correcting the ph level of the water while adding the essential natural minerals which are necessary for the human body, which make it one of the best alkaline water purifier.

The revitalizer helps in enhancing the water molecules along with the addition of hydration and the absorption of minerals.

  • Effectively corrects the pH level in the water.
  • 7-litre capacity is enough for a small family
  • Gives the user error alerts about the pump failure, SV, UV, and self-diagnostic purification process
  • The 7-stage process effectively cleans all the impurities
  • Comes with a 1-year warranty by the brand
  • Wastes a lot of water
  • Voltage requirement is high

2. KENT Supreme Extra 2020 (11113), Zero Water Wastage: Best Wall Mountable Alkaline Water Purifier

KENT Water Purifier

This alkaline water purifier, by one of the most reputed purifier companies like Kent, comes along with all the important features which are necessary for being a good alkaline purifier. Designed with all the necessary technology like RO + UV+ UF + TDS control it gets an added touch of the Alkaline water which makes it much more effective in removing all the impurities from the drinking water.

Save every drop of your water, with the zero wastage technology offered by this top-class filter. The RO + UV + UF + TDS control along with the alkaline technology efficiently removes all the arsenic, dissolved impurities, fluorides, pesticides, bacteria, and viruses from the water.

Therefore, the Mineral RO technology enables it to add the natural mineral to the water, which is much more necessary for making the water-rich with health qualities. The TDS control system works in a great way with balancing the TDS limit in the water from the municipal and corporation supplies, thereby offering germ-free water for drinking.

By increasing the pH level of the water to the 8.0 – 9.5, it helps in maintaining the natural balance of pH in the water to retain good health. The purifier reuses the rejected water during the purification process for re-circulating the water, to make sure no wastage is done by the processing time for saving the water.

The In-tank has been added to the purifier for making it capable of featuring the UV disinfection to provide purity with each drop. Therefore, the high storage capacity works with many conveniences to hold 8 litre of water which is sufficient for any Indian family.

Besides, the computer-controlled operations enable the Filter Change Alarm for indicating the filter replacement so that you can easily get notified about the end of the filter life. Therefore, it also alerts you about UV failure.

  • The auto -on and off option lets it program the system on its own so that you never run out of purified water
  • With the 20 ltr/hr filtration rate it gives a speedy filtration process
  • The huge enough tank makes sure that you can get purified even in the absence of electricity
  • The alkaline process enhances the taste of the water
  • Along with the vertically mounting design with SMPS is given for extra protection to prevent the membranes from tampering and leaking
  • Quite complex to clean
  • Pricey

Also read: Best Gravity Based Water Purifiers

3. KENT Alkaline Water Filter Pitcher 3.5-litres: High Quality Purifier

KENT Alkaline Water Filter Pitcher

Are you thinking of having a purifier that not only serves you the alkaline water but also comes at a budget-friendly range? Then this one can be the perfect choice for you.

This another sturdy built purifier collection from Kent comes with all the essential features that are necessary for giving you the best quality water with every sip.

It comes with the arrangements for providing you with the water that contains the increased level of pH between 8.5-9.5 to ensure health with every drop. Therefore, the addition of features like Oxygen Reduction Potential, can improve the antioxidant level in the water, to make it alkaline.

The purifier comes with capabilities for the proper removal of the physical and chemical impurities. The sediment filter is capable of removing the physical impurities, whereas the carbon filter works effectively in eliminating all the chemical impurities from the water so that it can easily be called the best alkaline water purifier in India.

Constructed with high-quality food-grade plastic, this KENT alkaline water filter pitcher is built to last for a long time, as it promotes a non-breakable and durable body. Along with a grey appearance this 3.5 litres of the alkaline purifier, is great for small families, or those who live alone.

  • The balancing of the necessary pH balance in the water promotes both good health and a happy mind
  • ORP improves the antioxidation of the water
  • Dual alkaline media promotes germ-free and impurity-free water
  • Comes at an easy to mount space-saving design
  • Available in an affordable range
  • Too small storage capacity
  • No indicator is given to detect the end of the filter life

Read more: Best Water Purifiers under ₹15000

4. Havells Fan Alkaline RO+UV with Immuno Shield Technology, 7 litres: Excellent Water Purifier (White & Blue)

Water Purifier in India

Confused about which one purifier to choose for the best results? Opt for this one without any second thoughts. This unique 7 stage purification comes with the 100 % RO and UV purification for the ultimate filtration that makes it the best alkaline water purifier.

Featuring the Immuno Shield Technology can improve the pH range from 8-10, which provides the complete purified water with the back wide spectrum of the natural minerals that are necessary for the human body.

Moreover, the purifier is capable of decreasing the Oxidation Reduction Potential to improve the antioxidant generating capabilities of the water. Therefore, the smart consumer interface comes with multiple indicators about the errors, cartridge life, and the purification.

Along with the brass touch with the zero splash design, it helps in ensuring hygiene all the time. The Germicidal UV – C at the optimum wavelength of the 253.7 nm irradiation helps in neutralizing all the harsh germs and bacteria for better protection. With the membrane performance enhancer, it helps in preventing the scale formation on the RO membrane to secure its long life.

Therefore, the revitalizer helps in magnetizing and restructuring the molecules of the water for making the water more active, biologically that improves the mineral absorption and the hydration of the water.

The 7 stages of purification work in a great way to maximize performance. At the same time, the LED indicator keeps you updated about the cartridge life to ensure the safety of your family’s life all the time.

  • Enhances the health value of the water with the addition of all the necessary minerals
  • With the 3 way of mounting design, it is easy to install
  • Along with the electrical protection, the system is capable of protecting from the voltage spikes
  • iProtect purification monitoring prevents overflowing
  • Maintenance is much easy
  • Pricey
  • Not so durable

Related post: Best Water Purifier For Home

5. Ozean 12 LTR Alkaline RO+UV+UF+TDS: Outstanding Water Purifier For Home with Free Testing Kit

Ozean Alkaline Water Purifier

This water purifier is most probably the best one in the market with its all the unique features that never fails to amaze its users, with its ability to serve the top-quality purified water all the time.

Featuring all the high-class purification systems like the RO + UV UF + TDS controller paired with the H2 A-A-A alkaline retains all the essential minerals in the water while keeping it safe from removing all the impurities.

Along with the UF membrane, it effectively kills all the bacteria and dirt. The heavy-duty booster pump of 100 gpd, 80 gpd thin-film membrane, anti-bacterial UV LED, Ozean SMPS power supply offers a top-class design that lets you get the pure water for a long time.

The 12 L capacity tank is huge enough for an average Indian family, while the food-grade ABS plastic ensures durability, which makes it the best alkaline water purifier in India. Along with the pre-filtration, it effectively removes all the mud, dirt, and sand, while the clear housing easily lets you know when to change it.

Along with the auto shut off and on the system, it prevents overflowing. Besides, it works great with any source of water. The 15 ltr/hr of the filtration capacity along with the 80 gallons/day of filtration limit offers a fast purification all the time.

  • The alkaline waterworks in an effective way to keep you hydrated with its antioxidant nature
  • The ABS food-grade plastic is highly durable
  • Applicable up to the 2500 level of TDS which is perfect for the municipal and corporation water
  • The transparent cover gives much protection against the insects, dust and moisture
  • Easy mountable
  • Installation price is quite high
  • Requires frequent cartridge changing

Relevant reading: Best Water Purifiers under 5000

6. Havells Digiplus Alkaline – RO & UV: Magnificent Water Purifier

Havells Digiplus Alkaline

Using all the essential features this stylish water purifier works with much efficiency that gives a top-quality service for the household purpose. This high-end construction of the purifier comes with the alkaline balance technology that keeps the water between the pH 8-10 along with the 100% delivery of the RO and UV purification system.

The water passes through the RO membrane that effectively removes all the impurities of the water, while the UV purification gives an additional touch of safety with the germ-killing. The double UV purification enhances the oxygen level and maintains hygiene all the time.

The Alkaline taste enhancer helps in lowering the ORP, which generates the improvement of antioxidants in the water, to enhance the taste of it. The revitalizer helps in making the water biologically active and enhances the hydration, mineral absorption and the alkalinity.

Mineralz technology adds important and necessary minerals to the water. Therefore, the iProtect purification monitoring allows you to have constant monitoring about the filter’s life.

It comes with smart alerting systems that alert you about the full tank after the purification, UV, SV and pump failure, along with the maintenance alert. Along with the cartridge life indicator displays the life expectancy of the filter so that you can change it on time.

  • Offers a modern LED li feather touch interface for easy operating
  • With the 1 ltr/ hr of the filtration rate, it provides the double UV system
  • The ingress protection tank cover protects the filter from external dust and insects
  • The purifier is easy to dispense with zero splashes with its easy design
  • Easy to mount on the wall
  • Power consumption is high
  • Not so durable

7. Nexqua Dew with up to 3000 TDS Support: Affordable & Best Water Purifier(Black)

Water Purifier

If you are thinking of having the best-budget water purifier that suits all your needs, then this one can be the apt choice for you as it is one of the best alkaline water purifiers. The Nexqua alkaline purifier comes with the 9 stages of purification system that not only removes the impurities but also works great with its 3000 TDS membrane.

With the 20ltr/ hour of the filtration capacity, this 12 lit capacity tank comes with the ultimate filtration technique. The 3000 high TDS membrane contains the microscopic pores which are smaller than the 0.0001 microns to pass through that traps all the dissolved metals and the hard salts.

The Philips UV protection helps in destroying 99.99 percent of germs and bacteria using the germicidal UV light. Featuring the dual purification technology helps in maintaining the ideal pH balance while adding adequate mineral content to the water.

Along with the capabilities of purifying the water from multiple sources, it suits perfectly for every Indian family. Therefore, the blend of dew active copper and active alkaline helps in building a strong immunity system.

It starts with the pre-filtration with the 5-micron sediment filter that removes rust, sand, and dirt. Then the 1 micron of sediment filter makes the cleaning much more effective. Therefore, the activated carbon helps in removing chemicals while the RO high TDS membrane works with convenience in removing hard contaminants.

The post-carbon filter improves the taste while the Philips UV light destroys all the bacteria and viruses. Along with the Bio + alkaline technology, if it balances the pH level in the water, it is of utmost necessity.

  • Effectively removes all the heavy metals
  • The dual purification helps in adding detoxifying properties which makes it much more convenient
  • The hydrating properties help in improving the health and quality of your skin
  • The alkaline feature improves the taste of the water
  • Comes at an affordable range
  • Installation charges are high
  • Maintenance is quite difficult

8. Faber Neutron Plus Alkaline RO + UV +UF + Copper Guard with pH Enhancer: Top Quality Alkaline Water Purifier

Faber Neutron Plus Alkaline Water Purifier

The Faber Neutron Plus Alkaline purifier is built to last for a long time with its all exclusive features. Equipped with the alkaline filter, it enhances the alkaline quality of the water by reducing the acidic level. It keeps the alkaline balance between the 7.5-8.5 pH, which is suitable for maintaining the good health of your family.

It makes the water pass through the RO membrane that removes all the harsh and dissolved chemicals and other impurities from the water. It is also capable of working with the 2500 ppm TDS level in the water, which makes it undoubtedly one of the best alkaline water purifiers in India.

Featuring the RO + UV+ UF + pH enhancer +Copper guard design, it works with perfection to present every drop free from the germ and hazardous elements, along with the enhanced taste and must-have minerals.

The addition of the copper is done with the activated carbon, which removes the chemicals from the water and enhances the taste by making it antioxidant, anti-fouling, and antimicrobial.

The large-capacity storage tank features the 10 ltr of storage which is enough for the whole family to get purified water all day long, and the ABS quality food grade material ensures the non-toxic attributes of the tank. With the 13 LPH of filtration capacity, it ensures a fast and secure filtration all the time.

  • It automatically turns off the power, once the tank becomes full, to serve a smart energy-saving mode
  • The advanced 9 stage purification works with many conveniences
  • The copper filtration adds anti-inflammatory qualities to the water
  • The 5-micron sediment carbon filter reduces all the turbidity in the water
  • Along with the UV filter, it effectively kills all the bacteria and viruses.
  • Installation is a bit difficult.
  • A bit pricey.

9. Ruby RO+UV+UF+TDS: Perfect Water Purifier with Alkaline Cartridge – 3.5 Liters

Ruby Water Purifier

Make a smart investment for the top quality water purifier available in the market, that not only cares about the health of your family but also offers you durable and long-lasting performance.

Featuring the reverse osmosis purification technique, it comes with a beautiful floral design in the front that not only looks good but also compliments the interior of your kitchen.

Including all the unique features, it can effectively remove all the bacterias and viruses from the water, and at the same time removes the dissolved solids like TDS from the water. It has the capabilities of purifying with the 20 ltr/hr of filtration rate with the 3.5 ltr of storage capacity.

Equipped with high-quality parts like the 100 GPD pump, cherry switch and 24v 2.5 A SMPS, and DC Chowk it gives a smooth and top-rated performance all the time. Therefore the construction refers to the high-quality ABS food-grade plastic, which is paired with the glass top plastic cabinet that looks not only good but also offers supreme durability all the time.

It comes with the PVDF UF washable pre-filter that can easily be reused for 2-4 years after washing or sanitizing it every time. The filter can easily convert the acidic RO water into the perfectly balanced alkaline ionized water that improves the taste of it, and at the same time ensures the top-notch purification quality.

It includes the multi-filtration process in which the pre-filer with the reusable UF, removes all their sand and rust from the water. After that, the activated carbon filter removes all the chlorine and organic chemicals, which is added with more perfection by the 125 GPD Reverse osmosis membrane.

The RO membrane removes all the heavy metals, hard salts, and other dissolved solids which is ideal for the municipal corporation water. The alkaline filter brings back the balance in the water by adding natural minerals to it. And finally, the UV system destroys all the bacteria and viruses to give you fresh and pure water with every sip.

  • With a maximum duty cycle of 120 ltr/day, it gives a speedy and effective output
  • The activated carbon filter enhances the taste of the water while removing colour and odour
  • The reusable filter saves your maintenance cost
  • Works suitably with the moderate and high TDS level
  • Comes at an easy mounting design which is easy to install
  • Power consumption is quite high
  • The storage is quite low.

10. BIOCERA Alkaline Antioxidant Jug Filter (Includes 1 Cartridge – Lasts 4000 liters): Admirable Water Purifier

Alkaline Water Purifier in India

Searching for a small alkaline filter that comes at a handy and portable design? Opt for this one without any second thought to get the best quality water with alkaline features. This Biocera Antioxidant alkaline filter comes with the Oxygen Reduction Potential design that makes the water-rich with the antioxidant alkaline to make it taste fresh.

Along with the small design, it increases the vitality of the water along with promoting its positive effects. As per NMR analysis (Nuclear Magnetic Resonance) design, it has the capabilities to reduce the 130 (Hz) of molecules in the water to make it become 50-60 (Hz) so that it becomes free from all the impurities.

Therefore, the inclusion of activated carbon in water is made from removing the chlorine from water, from improving the taste of the water while making it free from any kind of odour. The filter makes the water pass through the alkaline cartridges so that it can ionize the water alongside alkalizing it.

The cartridges of the filter contain the activated carbons that can act as the magnet so that it can remove the chemical present in the water.

Along with that, the filter adds all the important minerals like Ca, Na, K, Mg to the water, to make it much healthier and rich with minerals. The design also features the abundant hydrogens that are capable of removing the activated oxidants in the water, which makes the best alkaline water purifier.

  • Effectively improves the taste of the water while increasing the pH level
  • The smaller water clusters act with convenience in keeping you hydrated up to 3 times all the time
  • The decrease of ORP maintains the micro-clustered alkaline in the water
  • The high quality activated carbon is best for chemical eliminating
  • Lasts for up the filter life with 4000 litres
  • Quite pricey if compared with the size
  • The cartridge needs to be changed quite often

11. Remino RO with Alkaline + UV – UF + TDS 12 litres Black and White: Great Water Purifier

Remino water purifier with Alkaline

Why waste your money on a pricey filter, when you can get the top-notch quality of hygiene at the most? And this Remino RO water purifier with alkaline technology comes at an affordable range with all the essential features, which are of utmost importance to improve your immunity while quenching your thirst every time.

This particular purifier features the Bio + Alkaline technology that is pretty much efficient in balancing the pH level present in the water. The Remineralization technology of the filter helps in retaining all essential minerals which are added to water through the use of mineral cartridge.

Moreover, the TDS regular helps in securing the safety of the water that goes compatible with the Indian water nature of moderate TDS level in the water.

The 12 litre capacity of the tank is comparatively huge than any other alkaline water purifier present in the market that comes within the budget-friendly price, which makes it one of the best alkaline water purifiers in India. It goes suitable with all the brackish, municipal corporation and tap water that makes it ideal for Indian households.

The micron sediment filter is especially added for removing all the rust, dust, and sand from the water. Therefore, the activated carbon filter removes all the odour, chemicals, and chlorine. The thin and composite RO membrane is very useful and can process up to 80 gallons per day. The UV light disinfects the water to kill all the bacterias and viruses.

Run with the fully automatic operation; it includes a water level sensor that lets you know about the water level and automatically switches off itself once the tank is full.

With the RO membrane, it effectively removes all the dissolved chemicals and metals present in the water, such as pesticides, arsenic, herbicides, hard salts, and the heavy metals that give safe quality water for a long time.

The multistage purification has been specifically designed with the top class purifying technologies like RO+ UV+UF hat effectively eliminates all the impurities and microorganisms so that you never have to worry about the quality of the water.

  • The 80 GPD thin-film Remino membrane and the 100 GPD booster pump gives a fas filtration rate
  • The mineral cartridge works with efficiency in the water with 500- 3000 level of TDS by removing 90% of it
  • Philips UV lamp kills all the bacterias with high-end efficiency
  • The 25ltr / hr filtration capacity promotes a fast filtration
  • Crafted with ABS food-grade plastic it is durable enough.
  • Voltage requirement is high
  • Bulky in size

Buying guide/ Things to consider before buying the best alkaline purifier

Buying a good quality alkaline water purifier might be a bit tricky for you if you don’t know what to look for in it. So here are points that you should definitely consider before buying the best alkaline water purifier.


Alkaline purifiers come with different ranges of the plate, like solid, flat, slotted and mesh. If you are looking for a unit that is easy to clean and gives a durable performance, then going for the solid and flat plates will be ideal for you. Though the slotted and mesh plates come with inexpensive features, they are not very durable. A purifier with multiple plates is always a beast as it offers enhanced protection.


While choosing the filters, it is always recommended to choose dual one if the water of your locality contains too much impurity. The single-filtered purifiers are also good, but not so effective if the water contains high levels of impurities.

pH range: 

While choosing the best quality water purifier to make sure it is capable of providing both the alkaline and acidic water that ranges between the 4-11 of pH level. Most of the alkaline purifiers come with the alkaline range between 8-10, which retains all the important pH balance, which is necessary for the improvement of immunity.

TDS controlling: 

The purifier you are choosing must have the TDS controlling capabilities to remove all the dissolved solids from the water to make it free from any kind of harmful components.

Difference between alkaline and Basic:

Here are the factors where the alkaline filters differ from the basic one:

pH level: 

Most of the purifiers that feature the RO technology provide acidic water, whereas the alkaline purifier keeps the alkaline balance in between 7- 10.

Waste water: 

The alkaline water purifier doesn’t produce any wastewater while purifying. On the other hand, an RO purifier wastes 75% of water to produce 25% of purified water.

Electricity requirement: 

The electricity requirement for a basic purifier is a must, whereas the alkaline purifier doesn’t require any electricity to work.

Frequently Asked Questions

1. What is an alkaline water purifier?

An alkaline purifier is specifically designed to offer purified water after neutralizing the acid content in it. It helps in increasing the pH level water to keep the alkaline balance moderate to enhance the taste while ensuring good health.

2. What is alkaline technology in the water purifier?

The alkaline technology in the water purifier helps in keeping the balance of alkaline in the water while reducing the acidic nature of the water. It also adds important minerals to the water, which are essential for the human body.

3. What are TDS Controllers / Modulators?

The TDS controller in a water purifier helps in controlling the dissolved solids in the water that comes from the industrial wastages.

4. What is Mineralizer / Mineral guard?

A mineralizer guard in a water purifier helps in removing the toxicity of the minerals while adding the goodness of the mineral, which is essential for the human body.

5. How much water is wasted with the RO water purifier?

An average of RO purifier water 3 litres of water for giving the output of 1 litre of purified water.

6. What is the desirable quality of drinking water?

The ideal drinking water for the desired quality should have a salinity level of 1.6 ds/m, which is equal to 1070 of ppm. If this level of salinity increases. It might impose danger to the human body.

7. Why only UV filters can’t guard you?

Only UV filters are capable of removing the bacteria and viruses through its UV lights. But normal water contains much more impurities like, heavy metals, TDS, solid particles, dust, rust, cyst pesticides, etc., which cannot be removed through a UV filter.

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