Full side-by-side
| Spec | Coral Premium 9 | Wells The One | Winner |
|---|---|---|---|
| Origin | Singapore | Korea | — |
| Distribution | Direct retail | Direct retail · 2 SG showrooms | — |
| Category | Hydrogen water + multi-stage filter | Filtered hot/cold dispenser (NOT a true ionizer) | — |
| Plates | 9 | 0 | Coral Premium 9 |
| pH (max alkaline) | 8.3 | 8.5 | Wells The One |
| ORP | -120 mV | -180 mV | Wells The One |
| Dissolved H₂ | 0.1 ppm | 0.05 ppm | Coral Premium 9 |
| Flow rate | 2.2 L/min | 1.8 L/min | Coral Premium 9 |
| Warranty | 2 yr | 5 yr | Wells The One |
| Filter cost (each) | S$ 160 | — | Wells The One |
| Sticker price | S$ 2,968 | — / S$ 49/mo | Coral Premium 9 |
| 5-year total | S$ 4,568 | S$ 2,940 | Wells The One |
| Our rating | — | — | — |
Verdict
Cost over 5 years: Wells The One saves S$ 1,628 over 5 years.
Lab performance: Coral Premium 9 produces 0.1 ppm dissolved H₂; Wells The One produces 0.05 ppm. The Coral Premium 9 leads on hydrogen output.
Warranty: Coral Premium 9 carries a 2-year warranty; Wells The One carries 5. Wells The One wins on coverage.
Where to buy + showroom info
Coral Premium 9
Direct retail
Showroom: Block 37 Defu Lane 10 #03-41, Singapore 539214
Phone: +65 6239 5335 · Sales +65 8761 6868
Lineup: Premium 9 Slim ($3,413) · 9 H Plus ($4,949) · 9 Compact ($3,168) · 9 H ($2,968) · 7 ($1,968) · 5 ($1,688) · 4 ($949)
Visit Coral Pure Natural Pte Ltd →Wells The One
Direct retail · 2 SG showrooms
Showroom: Paya Lebar (140 Paya Lebar Rd #01-16) + Jurong East (8 Boon Lay Way #01-20)
Phone: +65 8828 8383 (sales) · +65 8797 8383 (service)
Lineup: The One · Home Café · Mini · Slim One · Ice One · TT Cooling+
Visit Wells Singapore →No affiliate links · Waterionizer.sg earns zero from either purchase.