Full side-by-side
| Spec | Coral Premium 9 | WaterSource GEM 9000 | Winner |
|---|---|---|---|
| Origin | Singapore | Singapore | — |
| Distribution | Direct retail | Direct retail · Evergreen Group subsidiary | — |
| Category | Hydrogen water + multi-stage filter | Hydrogen-rich alkaline + portable | — |
| Plates | 9 | 9 | Tie |
| pH (max alkaline) | 8.3 | 10.6 | WaterSource GEM 9000 |
| ORP | -120 mV | -700 mV | WaterSource GEM 9000 |
| Dissolved H₂ | 0.1 ppm | 1.2 ppm | WaterSource GEM 9000 |
| Flow rate | 2.2 L/min | 2.5 L/min | WaterSource GEM 9000 |
| Warranty | 2 yr | 2 yr | Tie |
| Filter cost (each) | S$ 160 | S$ 220 | Coral Premium 9 |
| Sticker price | S$ 2,968 | S$ 4,999 | Coral Premium 9 |
| 5-year total | S$ 4,568 | S$ 7,199 | Coral Premium 9 |
| Our rating | — | — | — |
Verdict
Cost over 5 years: Coral Premium 9 saves S$ 2,631 over 5 years.
Lab performance: Coral Premium 9 produces 0.1 ppm dissolved H₂; WaterSource GEM 9000 produces 1.2 ppm. The WaterSource GEM 9000 leads on hydrogen output.
Warranty: Coral Premium 9 carries a 2-year warranty; WaterSource GEM 9000 carries 2. Same warranty length.
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 →WaterSource GEM 9000
Direct retail · Evergreen Group subsidiary
Showroom: 8 New Industrial Road #01-02/03, LHK3, Singapore 536200
Phone: +65 8860 6951 · Hotline +65 9325 6199
Lineup: GEM 9000 ($4,999) · GEM 9090NT ($3,999) · H001 ($2,888) · H2 Cap Plus ($365) · Alkalark ($199) · Alkaliser ($158)
Visit WaterSource (Evergreen Group) →No affiliate links · Waterionizer.sg earns zero from either purchase.