What is hard borewell water and why is it a problem for drinking?

Hard water is the water that is collected through the borewell passes through soil that contains minerals, it contains more minerals such as dissolved salts, calcium, and magnesium when compared to the tap water. This water is hard and forms scales on containers and cannot be drunk.

How does KENT RO technology effectively handle high TDS and hardness in borewell water?

The purpose of RO is to assist in minimizing TDS, which includes salts causing water to be hard. Although RO process by itself reduces a lot of dissolved minerals, this particular KENT water purifier has a TDS controller that combines RO-treated water and UF treated water.

What are some of the costs associated with using borewell water which is not purified in India?

Hard borewell water may result in scale formation in geysers, kettles, and pipes, which may reduce the efficiency of the equipment over time. Hard borewell water is perceived to have a rough texture by some individuals when it comes into contact with the skin and hair. It should be noted that the drinking water purifier is meant for drinking purposes alone.

How often do I need servicing of my KENT RO purifier with a borewell water connection?

With a borewell connection, the frequency of filter change such as sediment filter and carbon filter can increase to about six months as per the quality of water and its usage. Usually, RO membranes have a life of 12 to 18 months while UV lamp is changed once in every year. Borewell connections mostly go for servicing twice in a year.

5 KENT RO Water Purifiers For Indian Families Looking For Advanced Home Filtration for Hard Borewell Supply (August 2026)

Struggling with hard borewell water that leaves stains on utensils and tastes heavy? Explore these top 5 KENT RO Water Purifiers designed to remove excess dissolved salts, soften hard water, and deliver clean, healthy drinking water for your family effortlessly.

By : Esha Jha
Last Updated on Aug 26, 2026 13:30 IST
Published on Aug 26, 2026 13:30 IST

KENT RO Water Purifiers For Indian Families

Borewell water in India generally has higher TDS and hardness than city tap water. This means that even a water purifier designed to handle city tap water may face problems when it comes to handling borewell water.

The KENT RO systems were made specifically for brackish and borewell water, and there are five such models this month that can work well for households with hard and high-TDS borewell water.

Vetted Options

Every product we recommend is carefully selected through a thoughtful blend of primary research and in-depth analysis of trusted sources.

Alkaline Water with pH 8-9.5
KENT Supreme IoT RO Water Purifier
Quick Highlights of This RO Water Purifier:
- RO + UF + UV + Alkaline + Copper + TDS Control + UV in Tank
- IoT-enabled real-time monitoring
- Digital display of purity, filter life & flow rate
- Automatic service call registration
- 8L storage tank
Is Your Purifier Trying To Tell You Something Before It Breaks Down?
- The Kent water purifier's health in this model shows up on a screen and on your phone, not just in how the water tastes
- If a fault is detected, it registers a service call on its own instead of waiting for you to notice
- The UV LED light keeps disinfecting stored water even after it's been sitting in the tank for hours
- The digital display tells you filter life and flow rate directly, so you're not guessing when a change is due
Explore More in the HZ Your Picks.
Specifications:
- BrandKENT
- ModelKENT Supreme IoT RO Water Purifier
- ASINB0GZZHM347
- Capacity8 Liters
- Item Dimensions32 L x 36 W x 50 H cm
- Item Weight9 Kg
Reasons to buy:
✓Real-time purity and filter tracking
✓Auto service call on fault
Reason to avoid:
✗IoT features need stable WiFi
01
0001 Micron RO Membrane
KENT Grand Star RO Water Purifier
Quick Highlights of This RO Water Purifier:
- RO + UV + UF + Alkaline + Copper + TDS Control + UV LED Tank
- 0.0001 micron RO membrane
- Auto-flush feature
- 9L storage tank
- Wall-mounted design
What happens when four family members need water at the same time, right after a power cut?
- The 9-litre tank of this RO water purifier for Indian families is the biggest among all these options and allows for more margin in case multiple individuals take water successively
- Moreover, an auto-flush system also ensures that the RO membrane gets flushed between uses, which means less accumulation of scaling because of the borewell water
- The digital display tells you about the flow rate and filter life, thus providing visibility without using any app
- As it is wall-mounted, it leaves the counter space available for other purposes
Specifications:
- BrandKENT
- ModelGrand Star
- ASINB0F1NBMXD8
- Capacity9 Liters
- Item Dimensions43L x 29W x 61H Centimeters
- Item Weight8.6 kg
Reasons to buy:
✓Largest 9L tank in this list
✓Wall-mounted, saves counter space
Reason to avoid:
✗Manual filter-life checks needed
02

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Free Service Plan
KENT Grand IoT RO Water Purifier
Quick Highlights of This RO Water Purifier:
- RO + UF + UV + Alkaline + Copper + TDS Control + UV in Tank
- IoT-enabled app monitoring
- Service & parts replacement history
- Push notifications for filter life
- 8L storage tank
Can A Mid-Range Purifier Still Tell You Exactly When The Technician Last Visited?
- This particular Kent Grand RO water purifier sits between a basic smart purifier and the fully premium tier, which means that you can get app tracking in this price range
- The KENT Service app keeps a running record of past visits and parts replaced, so nothing depends on memory
- With an 8-litre tank, this RO water purifier for Indian families is built to comfortably serve a family of 5 to 8 members
- Push notifications for filter replacement mean the reminder comes from the app, not from someone in the house
Read More in Home Solutions and Electronics.
Specifications:
- BrandKENT
- ModelGrand IoT
- ASINB0GW8FGP3D
- Capacity 8 Liters
- Item Dimensions40 x 23 x 54 cm (Length x Width x Height)
- Item Weight8.6 kg
Reasons to buy:
✓App-based service history access
✓Suited for families of 5-8
Reason to avoid:
✗Slightly costlier than non-IoT Grand
03
UV In-Tank
KENT Supreme Plus Neo RO Water Purifier
Quick Highlights of This RO Water Purifier:
- RO + UF + Inline UV + Alkaline + Copper + TDS Control
- Compact, space-saving design
- UV LED light in storage tank
- Mineral retention via TDS Controller
- 8L storage tank
What If Your Purifier Did Not Need As Much Wall Space As The Last One You Saw?
- The Inline UV stage of this specific RO water purifier from Kent replaces the older, bulkier UV chamber, so the unit takes up noticeably less wall depth
- This smaller footprint doesn't come at the cost of any purification stage found in the older Supreme Plus
- The TDS controller still blends UF-purified water back with RO output, so minerals like calcium are not stripped out entirely
- This makes it a genuine fit for compact modular kitchens where wall depth behind the sink is limited
Specifications:
- BrandKENT
- ModelSupreme Plus Neo
- ASINB0H1BRKBB7
- Capacity8 Liters
- Item Dimensions36 x 32 x 50 Centimeters (L x W x H)
- Item Weight9.6 Kilograms
Reasons to buy:
✓Compact, space-saving wall design
✓Mineral retention through TDS control
Reason to avoid:
✗Negative durability reviews
04
Auto Flush
KENT Supreme Plus Alkaline+Copper RO Water Purifier
Quick Highlights of This RO Water Purifier:
- RO + UV + UF + Alkaline + Active Copper + TDS Control + UV LED Tank
- Auto-flush feature
- Zero Water Wastage Technology
- Alkaline pH 8.5-9.5
- 8L storage tank
Is This The Purifier For A Household That Already Trusts Copper Vessels For Water?
- The active copper stage adds copper to the water after the RO and UV filtration stages, thus, no additional container is required
- Zero Water Wastage technology in this Kent Supreme Plus RO water purifier returns the water that was rejected back to the overhead tank, reducing the amount of water wasted while purifying it
- The alkaline stage makes the pH level equal to 8.5 - 9.5, resulting in a more palatable taste of the water than regular RO
- Auto-flush flushes the RO membrane between cycles to make it more resistant to hard, high-TDS borewell water
Specifications:
- BrandKENT
- ModelSupreme Plus Alkaline+Copper RO (Black)
- ASINB0CB8KG44H
- Capacity8 Liters
- Item Dimensions40L x 25W x 52H Centimeters
- Item Weight8 kg
Reasons to buy:
✓Copper stage built into purification
✓Reduces rejected water wastage
Reason to avoid:
✗No IoT or app monitoring
05

Top KENT RO Water Purifiers For Indian Families: Key Comparison Table

Product Name	Purification Stages	Tank Capacity	Standout Feature
KENT Supreme IoT	RO + UF + UV + Alkaline + Copper + TDS Control + UV in Tank	8 L	Real-time IoT monitoring with auto fault alerts
KENT Grand Star	RO + UV + UF + Alkaline + Copper + TDS Control + UV in Tank	9 L	Largest tank in this list, wall-mounted
KENT Grand IoT	RO + UF + UV + Alkaline + Copper + TDS Control + UV in Tank	8 L	App-based service and parts history
KENT Supreme Plus Neo	RO + UF + Inline UV + Alkaline + Copper + TDS Control	8 L	Compact Inline UV, space-saving design
KENT Supreme Plus Alkaline+Copper	RO + UV + UF + Alkaline + Copper + TDS Control + UV LED Tank	8 L	Zero Water Wastage Technology

Installation, Maintenance & Long-Term Care: Maximizing Your KENT RO Water Purifier's Efficiency

Installation

Needs a flat wall surface for wall-mounting
Power point required within 3 meters
Raw water supply nipple within 3 meters
Drain outlet for rejected water within 3 meters

Maintenance

Sediment and carbon pre-filters: every 6 months, sooner on hard borewell water
RO membrane: every 12-18 months, check earlier if TDS is high
UV lamp: replace annually regardless of water source
Auto-flush (where available) rinses the membrane between cycles to slow scaling

Long-Term Care

Book a KENT service check twice a year for borewell households
Ask the technician to test TDS levels at each visit
Rely on KENT's service network across most Indian pin codes for genuine parts

Disclaimer: At Her Zindagi Your Picks, we prioritize providing up-to-date information on the latest trending commodities and goods. Links in this article are affiliate links. Please note that our product recommendations are based on independent research and analysis however, Her Zindagi Your Picks shall not be held liable for any claims, damages, or disputes arising under applicable laws, including the Consumer Protection Act, 2019. Any issues regarding product quality, delivery, or warranties must be directed to the respective manufacturer or seller. Furthermore, the products featured in this article are organized for reader convenience and are listed in no particular order of priority or ranking.

Faq's

What is hard borewell water and why is it a problem for drinking?
Hard water is the water that is collected through the borewell passes through soil that contains minerals, it contains more minerals such as dissolved salts, calcium, and magnesium when compared to the tap water. This water is hard and forms scales on containers and cannot be drunk.
How does KENT RO technology effectively handle high TDS and hardness in borewell water?
The purpose of RO is to assist in minimizing TDS, which includes salts causing water to be hard. Although RO process by itself reduces a lot of dissolved minerals, this particular KENT water purifier has a TDS controller that combines RO-treated water and UF treated water.
What are some of the costs associated with using borewell water which is not purified in India?
Hard borewell water may result in scale formation in geysers, kettles, and pipes, which may reduce the efficiency of the equipment over time. Hard borewell water is perceived to have a rough texture by some individuals when it comes into contact with the skin and hair. It should be noted that the drinking water purifier is meant for drinking purposes alone.
How often do I need servicing of my KENT RO purifier with a borewell water connection?
With a borewell connection, the frequency of filter change such as sediment filter and carbon filter can increase to about six months as per the quality of water and its usage. Usually, RO membranes have a life of 12 to 18 months while UV lamp is changed once in every year. Borewell connections mostly go for servicing twice in a year.

5 KENT RO Water Purifiers For Indian Families Looking For Advanced Home Filtration for Hard Borewell Supply (August 2026)

Struggling with hard borewell water that leaves stains on utensils and tastes heavy? Explore these top 5 KENT RO Water Purifiers designed to remove excess dissolved salts, soften hard water, and deliver clean, healthy drinking water for your family effortlessly.

KENT Supreme IoT RO Water Purifier

Quick Highlights of This RO Water Purifier:

Is Your Purifier Trying To Tell You Something Before It Breaks Down?

Specifications:

Reasons to buy:

Reason to avoid:

KENT Grand Star RO Water Purifier

Quick Highlights of This RO Water Purifier:

What happens when four family members need water at the same time, right after a power cut?

Specifications:

Reasons to buy:

Reason to avoid:

KENT Grand IoT RO Water Purifier

Quick Highlights of This RO Water Purifier:

Can A Mid-Range Purifier Still Tell You Exactly When The Technician Last Visited?

Specifications:

Reasons to buy:

Reason to avoid:

KENT Supreme Plus Neo RO Water Purifier

Quick Highlights of This RO Water Purifier:

What If Your Purifier Did Not Need As Much Wall Space As The Last One You Saw?

Specifications:

Reasons to buy:

Reason to avoid:

KENT Supreme Plus Alkaline+Copper RO Water Purifier

Quick Highlights of This RO Water Purifier:

Is This The Purifier For A Household That Already Trusts Copper Vessels For Water?

Specifications:

Reasons to buy:

Reason to avoid:

Top KENT RO Water Purifiers For Indian Families: Key Comparison Table

Installation, Maintenance & Long-Term Care: Maximizing Your KENT RO Water Purifier's Efficiency

Faq's