Full side-by-side
AlkaViva H2 Athena Mfr claim
·
Doulton Ceramic Filter Mfr claim
| Spec | AlkaViva H2 Athena | Doulton Ceramic Filter | Winner |
|---|---|---|---|
| Origin | USA (imported) | UK | — |
| Distribution | Online · ships internationally | Retail · specialty water shops | — |
| Category | Alkaline ionizer (US import) | Ceramic under-sink filter (NOT a true ionizer) | — |
| Plates | 5 | 0 | AlkaViva H2 Athena |
| pH (max alkaline) | 10.3 | 7.4 | 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 | 1.8 L/min | AlkaViva H2 Athena |
| Warranty | 5 yr | 1 yr | AlkaViva H2 Athena |
| Filter cost (each) | S$ 220 | S$ 95 | Doulton Ceramic Filter |
| Sticker price | S$ 3,200 | S$ 320 | Doulton Ceramic Filter |
| 5-year total | S$ 5,400 | S$ 1,270 | Doulton Ceramic Filter |
| 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: Doulton Ceramic Filter saves S$ 4,130 over 5 years.
Lab performance: AlkaViva H2 Athena produces 0.92 ppm dissolved H₂; Doulton Ceramic Filter produces 0.01 ppm. The AlkaViva H2 Athena leads on hydrogen output.
Warranty: AlkaViva H2 Athena carries a 5-year warranty; Doulton Ceramic Filter 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 →Doulton Ceramic Filter
Retail · specialty water shops
Lineup: HIP3 · HCS · HCP · countertop and under-sink ceramic systems
Visit Doulton →No affiliate links · Waterionizer.sg earns zero from either purchase.