Full side-by-side
| Spec | Kemp ION-X | Prime Water | Winner |
|---|---|---|---|
| Origin | Korea (SG distributor) | Korea | — |
| Distribution | Direct retail (38+ years in SG) | Sole authorised distributor | — |
| Category | Alkaline ionizer + dispensers | Alkaline ionizer | — |
| Plates | 9 | 9 | Tie |
| pH (max alkaline) | 10.45 | 11.0 | Prime Water |
| ORP | -702 mV | -728 mV | Prime Water |
| Dissolved H₂ | 1.18 ppm | 1.34 ppm | Prime Water |
| Flow rate | 2.6 L/min | 4.0 L/min | Prime Water |
| Warranty | 3 yr | 5 yr | Prime Water |
| Filter cost (each) | S$ 180 | S$ 160 | Prime Water |
| Sticker price | S$ 2,288 | S$ 2,800 / S$ 99/mo | Kemp ION-X |
| 5-year total | S$ 4,088 | S$ 5,940 | Kemp ION-X |
| Our rating | — | 4.7/5 | — |
Verdict
Cost over 5 years: Kemp ION-X saves S$ 1,852 over 5 years.
Lab performance: Kemp ION-X produces 1.18 ppm dissolved H₂; Prime Water produces 1.34 ppm. The Prime Water leads on hydrogen output.
Warranty: Kemp ION-X carries a 3-year warranty; Prime Water carries 5. Prime Water wins on coverage.
What we recommend: Prime Water (Sole-distributor Korean ionizer, 5-year warranty, no MLM markup). We disclose owning this brand — the numbers above support the verdict, you can replicate any of them with the published methodology.
Where to buy + showroom info
Kemp ION-X
Direct retail (38+ years in SG)
Showroom: 10 Anson Road #02-86, International Plaza, Singapore 079903
Phone: +65 6272 5337 · WhatsApp +65 8368 1222
Lineup: iPro Hot & Cold · KempSmart Undersink · KempSmart i9 · i7 · Alphion MX · Mavello Z
Visit Kemp Singapore Pte Ltd →Prime Water
Sole authorised distributor
Showroom: Singapore · by appointment via primewater.com.sg
Lineup: L Series · R Series · LV Series · RV Series
Visit Prime Water →Read our full review →
No affiliate links · Waterionizer.sg earns zero from either purchase.