
KENT Grand Plus
KENT
- RO + UV + UF + TDS Controller
- 9 litres tank
- Up to 2000 ppm TDS
Families on borewell, tanker or high-TDS municipal supply who want the safest all-round choice.
View detailsBrand: Blue Star
Reliable mid-range RO from a cooling specialist
Our editorial score
Very good — recommended
Buyers who already trust Blue Star from their AC or water cooler and want a dependable mid-range RO.
The Aristo does not win on any single spec, and that is fine — it is a well-built, well-supported mid-range RO from a company whose service organisation is genuinely good because its commercial customers will not tolerate downtime. If you have had good experiences with Blue Star cooling products, that service relationship is a legitimate reason to buy.
Every condition below is derived from this product's published specifications and from how it compares with the water purifiers we track — so you can check each one against your own room, supply or budget rather than take our word for it.
Your supply runs above 2,000 ppm TDS
The membrane is rated to 2,000 ppm. Feed it more and it will not fail dramatically — it will die early and quietly, and you will be buying membranes annually. Check your worst-season reading, not your average one.
Purifiers for high-TDS supply →Water wastage matters to you
The brand does not publish a recovery figure, so there is no way to know how many litres go to drain per litre purified. Only 2 of the 26 water purifiers we track publish this at all.
High-recovery purifiers →Fair transparency. This is separate from our review score above — it measures how well documented, how supportable and how expensive to own this water purifier is, scored on 6 of 7 axes by formula, with no manual override. See the methodology.
| Axis | Score | Weight | Based on |
|---|---|---|---|
| Documentation | 6.7 | 15% | 8 of 12 tracked specs published |
| Running cost | 6.8 | 20% | ₹3,500 per year |
| 5-year cost of ownership | 4.6 | 20% | ₹33,490 over five years |
| Warranty & free service | 0.0 | 12% | 12 months warranty |
| Service & parts reach | 8.0 | 15% | Blue Star service network rated very good |
| Energy efficiency | 9.6 | 8% | 36 W |
| Water recovery | Not scored | 10% | Not published |
| Purification | RO + UV + UF + Taste Enhancer (Mineraliser) |
|---|---|
| Storage capacity | 7 litres |
| Purification capacity | 12 litres/hour |
| Max input TDS | 2000 ppm |
| Internals | Aluminium-free, food-grade |
| Power | 36 W |
| Warranty | 1 year comprehensive |
Specifications are from manufacturer literature and were checked at the last price-verification date. Brands occasionally revise stage counts, tank sizes and warranty terms without changing the model name — confirm against the current listing before purchasing.
India's strongest commercial-refrigeration engineering house, now selling domestic refrigerators too. The commercial heritage is the point: Blue Star's deep freezers, visi-coolers and glass-door merchandisers are the default choice for Indian shops and restaurants, and the domestic range inherits that build discipline. For a shop, a clinic or a restaurant, this is usually the first brand to call.
Tip

KENT
Families on borewell, tanker or high-TDS municipal supply who want the safest all-round choice.
View detailsAquaguard
Buyers who value service reliability and compact design over maximum tank capacity.
View detailsHavells
Buyers who want hot water on tap without paying premium-brand prices.
View detailsKENT
Renters and anyone who cannot drill walls, but still needs full high-TDS RO purification.
View detailsFree consultation · Pan-India
Tell us your city, your water source and your budget. For homes we will recommend the right technology — including telling you when a ₹3,000 purifier is genuinely enough. For offices, societies and factories, our team will size a system against your water report and send a specification-backed quotation.
Or email betterworkindia@gmail.com — attach a water analysis report and we can quote faster.
Homes
Right-sized recommendation for your TDS, not the most expensive unit
Offices & societies
25 LPH to 2,000+ LPH, sized on headcount and feed water
Industry
Pharma, food, textile, boiler feed — engineered to your specification
Service & AMC
Installation, repair and AMC with written response times