Best Alkaline Water Purifier Review 2025
What is alkaline water purifier Review Clean and healthy drinking water is no longer a luxury – it’s a necessity. With increasing water contamination and changing lifestyles, alkaline water purifiers have become one of the most trusted solutions for modern households. These purifiers not only remove harmful impurities but also balance the water’s pH level, enrich it with essential minerals, and in some cases, even provide hot water instantly.
In this detailed Best Alkaline Water Purifier Review 2025, we’ll compare three of the most popular models – AO Smith Z9 Pro, Livpure Allura Prime, and Kent Supreme Star. You’ll find in-depth reviews, pros & cons, real customer experiences, a buying guide, FAQs, and direct affiliate links so you can purchase the right purifier for your home with confidence.
Why Choose an Alkaline Water Purifier?
- Neutralize acidity in the body by balancing pH levels
- Improve hydration and metabolism
- Retain essential minerals like calcium, magnesium, and copper
- Offer long-term health benefits such as better digestion and immunity
1. AO Smith Z9 Pro Instant Hot & Ambient Purifier
Key Features:
- RO + SCMT + Copper + Alkaline + Mintech technology
- 8-Stage purification for maximum safety
- Hot water option (45°C to 80°C) with child lock safety
- Stainless steel tank (10L capacity)
- Water-saving technology (up to 55% water saved)
- Premium design with LED indicators
Pros
- Instant hot water (great for tea, coffee, and baby food)
- Saves water compared to traditional ROs
- Advanced sensors protect RO membrane and heating coil
- Premium build with stylish design
- Crystal-clear, fresh-tasting water
Cons
- Requires electricity to dispense water
- Large bottles (1L+) may not fit without extra pipe
- Slight faucet water drip when lifting
Real Customer Experiences
- Positive: “I’ve been using the AO Smith Z9 Pro for two months, and I’m impressed. The hot water feature is fantastic, and the taste is pure and refreshing. Customer service was quick, and the technician explained everything well.”
- Mixed: “At first, I felt the purifier was overpriced, and installation was delayed. But after a month, I realized it’s worth every penny. Water quality is far superior to my old purifier.”
- Critical: “The only drawback is that it won’t work without power. My old model used to give stored water even during cuts.”
What is Health Insurance and why
2. Livpure Allura Prime 10-Stage Purifier
Key Features:
- RO + UV + UF + Copper + Alkaline technology
- 10-stage purification with in-tank UV sterilization
- 7L storage tank
- 2 years of no service cost (filters included)
- Sleek and compact design
Pros
- Very affordable compared to AO Smith
- 10-stage advanced purification for ultra-safe water
- In-tank UV ensures bacteria-free storage
- Low maintenance (no service cost for 2 years)
- Sleek design that fits in modern kitchens
Cons
- Tank size (7L) may be small for larger families
- Slight noise when running purification
- No hot water option
Real Customer Experiences
- Positive: “The water quality is superb, and installation was smooth. I love the taste of the water, and the no-maintenance plan is a big plus.”
- Mixed: “It makes a small noise while purifying, but it’s not a deal breaker.”
- Critical: “The tank is a bit small for our family of six, so we have to refill often.”
3. Kent Supreme Star RO Water Purifier
Key Features:
- RO + UV + UF + TDS Control + Alkaline + Copper
- Auto-flush for membrane longevity
- 9L storage tank, 20 LPH flow rate
- Ideal for borewell, tanker, or municipal water
- Transparent design with TDS adjustment knob
Pros
- Suitable for all water sources (borewell, tanker, municipal)
- Auto-flush extends filter life
- Transparent storage tank with stylish design
- Trusted Kent service network
- Improves taste significantly
Cons
- Some users reported extra charges by service agents for additional filters
- TDS knob adjustment can be tricky for beginners
- Water flow to tank is a bit slow
Real Customer Experiences
- Positive: “The water tastes amazing after filtration. I tested the TDS, and it’s much better than the bottled water we used earlier.”
- Mixed: “Installation was smooth, but the technician tried to sell me an extra dust filter. This should be more transparent.”
- Critical: “TDS knob is inside the machine, which makes it hard to adjust frequently.”
What is the best Term Insurance in india
Side-by-Side Comparison Table
| Feature | AO Smith Z9 Pro | Livpure Allura Prime | Kent Supreme Star |
|---|---|---|---|
| Purification Stages | 8-Stage (RO+SCMT+Alkaline+Copper) | 10-Stage (RO+UV+UF+Copper+Alkaline) | 6+ (RO+UV+UF+TDS+Alkaline+Copper) |
| Storage Capacity | 10L (Stainless Steel) | 7L | 9L |
| Hot Water Option | Yes (45°C–80°C) | No | No |
| Maintenance Cost | Medium | Very Low (2 years free) | Medium |
| Design | Premium, Sleek | Compact & Modern | Transparent Classic |
| Water Saving | Up to 55% | No | Standard |
| Best For | Families needing hot water | Small to medium families | Borewell/Tanker water users |
Buying Guide: How to Choose the Best Alkaline Water Purifier
- Water Source:
- Borewell/Tanker (high TDS): Go for Kent Supreme Star
- Municipal/Low TDS: Livpure Allura Prime or AO Smith Z9 Pro
- Family Size:
- 2–3 members: 7L is enough (Livpure)
- 4+ members: Go for 9–10L capacity (AO Smith or Kent)
- Budget:
- Premium with hot water: AO Smith Z9 Pro
- Affordable & low maintenance: Livpure Allura Prime
- Mid-range & versatile: Kent Supreme Star
- Special Features:
- Want hot water instantly? ➝ AO Smith Z9 Pro
- Want no service cost for years? ➝ Livpure Allura Prime
- Need borewell/tanker compatibility? ➝ Kent Supreme Star
Best Ao smith water purifier Review in 2025
Frequently Asked Questions (FAQs)
Q1: Is alkaline water better than RO water?
Yes, alkaline water balances pH levels and retains minerals, unlike plain RO water which may taste flat.
Q2: Does AO Smith Z9 Pro work without electricity?
No, it requires power to dispense water.
Q3: Which purifier has the lowest maintenance cost?
Livpure Allura Prime offers 2 years of no service cost, making it the most economical.
Q4: Can Kent Supreme Star purify borewell water?
Yes, it’s designed for high TDS borewell and tanker water.
Q5: Which purifier is best for tea/coffee preparation?
AO Smith Z9 Pro – thanks to its instant hot water feature.
Final Verdict
- AO Smith Z9 Pro – Best premium choice with instant hot water, advanced purification, and water-saving technology. Perfect for families who want convenience and luxury.
- Livpure Allura Prime – Best budget-friendly option with 10-stage purification, UV sterilization, and zero maintenance cost for 2 years. Great for small to medium families.
- Kent Supreme Star – Best for borewell and tanker water, with reliable performance and strong brand service.
