Full side-by-side
Bawell Sapphire / Platinum Mfr claim
·
Doulton Ceramic Filter Mfr claim
| Spec | Bawell Sapphire / Platinum | Doulton Ceramic Filter | Winner |
|---|---|---|---|
| Origin | USA | UK | — |
| Distribution | Online import · no SG distributor | Retail · specialty water shops | — |
| Category | Alkaline ionizer (US import) | Ceramic under-sink filter (NOT a true ionizer) | — |
| Plates | 9 | 0 | Bawell Sapphire / Platinum |
| pH (max alkaline) | 10.5 | 7.4 | Bawell Sapphire / Platinum |
| ORP | -700 mV | -40 mV | Bawell Sapphire / Platinum |
| Dissolved H₂ | 1.15 ppm | 0.01 ppm | Bawell Sapphire / Platinum |
| Flow rate | 2.5 L/min | 1.8 L/min | Bawell Sapphire / Platinum |
| Warranty | 99 yr | 1 yr | Bawell Sapphire / Platinum |
| Filter cost (each) | S$ 220 | S$ 95 | Doulton Ceramic Filter |
| Sticker price | S$ 2,900 | S$ 320 | Doulton Ceramic Filter |
| 5-year total | S$ 5,100 | 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$ 3,830 over 5 years.
Lab performance: Bawell Sapphire / Platinum produces 1.15 ppm dissolved H₂; Doulton Ceramic Filter produces 0.01 ppm. The Bawell Sapphire / Platinum leads on hydrogen output.
Warranty: Bawell Sapphire / Platinum carries a 99-year warranty; Doulton Ceramic Filter carries 1. Bawell Sapphire / Platinum wins on coverage.
Where to buy + showroom info
Bawell Sapphire / Platinum
Online import · no SG distributor
Lineup: Sapphire (7p) · Platinum (9p) · Premier (11p)
Visit Bawell →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.