Full side-by-side
AlkaViva H2 Athena Mfr claim
·
Kemp ION-X Mfr claim
| Spec | AlkaViva H2 Athena | Kemp ION-X | Winner |
|---|---|---|---|
| Origin | USA (imported) | Korea (SG distributor) | — |
| Distribution | Online · ships internationally | Direct retail (38+ years in SG) | — |
| Category | Alkaline ionizer (US import) | Alkaline ionizer + dispensers | — |
| Plates | 5 | 9 | Kemp ION-X |
| pH (max alkaline) | 10.3 | 10.45 | Kemp ION-X |
| ORP | -650 mV | -702 mV | Kemp ION-X |
| Dissolved H₂ | 0.92 ppm | 1.18 ppm | Kemp ION-X |
| Flow rate | 2.4 L/min | 2.6 L/min | Kemp ION-X |
| Warranty | 5 yr | 3 yr | AlkaViva H2 Athena |
| Filter cost (each) | S$ 220 | S$ 180 | Kemp ION-X |
| Sticker price | S$ 3,200 | S$ 2,288 | Kemp ION-X |
| 5-year total | S$ 5,400 | S$ 4,088 | Kemp ION-X |
| Our rating | — | — | — |
How we sourced these numbers: All specs are taken directly from each manufacturer's published product page (links at the bottom). We have NOT independently lab-tested these brands — only Prime Water (our own sister brand) is verifiable through primewater.com.sg. Independent lab testing is rolling out through 2026.
Verdict
Cost over 5 years: Kemp ION-X saves S$ 1,312 over 5 years.
Lab performance: AlkaViva H2 Athena produces 0.92 ppm dissolved H₂; Kemp ION-X produces 1.18 ppm. The Kemp ION-X leads on hydrogen output.
Warranty: AlkaViva H2 Athena carries a 5-year warranty; Kemp ION-X carries 3. AlkaViva H2 Athena wins on coverage.
Where to buy + showroom info
AlkaViva H2 Athena
Online · ships internationally
Lineup: H2 Athena (5p) · Vesta H2 (8p) · Delphi H2 (7p)
Visit AlkaViva →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 →No affiliate links · Waterionizer.sg earns zero from either purchase.