Brand: ZeroWater
The only jug that genuinely takes TDS to near zero
Our editorial score
Adequate — buy only for its niche
Renters and hostellers on moderate-TDS supply who cannot install anything permanent.
ZeroWater is the interesting outlier: an ion-exchange jug that actually does reduce dissolved solids, verifiably, with the meter included so you can prove it. For a hostel room or a short lease where drilling a wall is impossible, that capability has no real competitor.
Run the maths before committing though. Cartridge life is inversely proportional to input TDS, and on 600 ppm Indian groundwater a cartridge can exhaust in a couple of weeks. At that point you are spending more per year than the running cost of a ₹13,000 RO. It makes sense on moderate-TDS supply, or as a temporary solution — not as a permanent answer to hard water.
| Purification | 5-stage including ion-exchange resin |
|---|---|
| Capacity | 2.8 litres |
| TDS reduction | Reduces TDS to close to 000 ppm |
| Included | TDS meter supplied in the box |
| Electricity | Not required |
| Does NOT remove | Reliable bacteria/virus removal is not claimed |
| Cartridge life | Highly dependent on input TDS |
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.
A five-stage ion-exchange filter jug that genuinely does reduce TDS to near zero — unusual for a non-RO device — and ships with a TDS meter so you can prove it. The catch is cartridge economics: on Indian high-TDS water, filters exhaust fast and cost per litre becomes steep.
KENT
Homes on genuinely low-TDS treated municipal supply — Kerala, coastal Karnataka, Srinagar, Himachal.
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