Full side-by-side
AlkaViva H2 Athena Mfr claim
·
Pentair Everpure Mfr claim
| Spec | AlkaViva H2 Athena | Pentair Everpure | Winner |
|---|---|---|---|
| Origin | USA (imported) | USA | — |
| Distribution | Online · ships internationally | F&B / commercial · some residential | — |
| Category | Alkaline ionizer (US import) | Commercial under-sink filter (NOT a true ionizer) | — |
| Plates | 5 | 0 | AlkaViva H2 Athena |
| pH (max alkaline) | 10.3 | 7.5 | AlkaViva H2 Athena |
| ORP | -650 mV | -40 mV | AlkaViva H2 Athena |
| Dissolved H₂ | 0.92 ppm | 0.01 ppm | AlkaViva H2 Athena |
| Flow rate | 2.4 L/min | 3.0 L/min | Pentair Everpure |
| Warranty | 5 yr | 1 yr | AlkaViva H2 Athena |
| Filter cost (each) | S$ 220 | S$ 180 | Pentair Everpure |
| Sticker price | S$ 3,200 | S$ 550 | Pentair Everpure |
| 5-year total | S$ 5,400 | S$ 2,350 | Pentair Everpure |
| 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: Pentair Everpure saves S$ 3,050 over 5 years.
Lab performance: AlkaViva H2 Athena produces 0.92 ppm dissolved H₂; Pentair Everpure produces 0.01 ppm. The AlkaViva H2 Athena leads on hydrogen output.
Warranty: AlkaViva H2 Athena carries a 5-year warranty; Pentair Everpure carries 1. 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 →Pentair Everpure
F&B / commercial · some residential
Lineup: H-300 · H-104 · Claris Prime · OW200L
Visit Pentair Everpure →No affiliate links · Waterionizer.sg earns zero from either purchase.