GROHE Blue Chilled & Sparkling
A single kitchen tap delivering hot/cold plus filtered still, chilled, and sparkling water through a documented separate inner waterway that isolates the drinking water from the brass mixer body - though GROHE won't say what that channel is made of.
The verdict: Minimal plastic contact
GROHE Blue's real innovation is architectural: the tap has "two separate internal waterways - one for filtered water and the other for unfiltered water," so filtered drinking water is routed away from the leaded brass mixer path. That isolation is verified and genuinely valuable. What GROHE will NOT tell you is the MATERIAL of that separate filtered channel - it could be stainless or a food-grade plastic liner, and we won't claim stainless without confirmation. Add the plastic filter cartridge and a CO2 carbonation path (the cooler's water-contact parts appear to be stainless, but this isn't fully documented), and the honest rating is minimal-contact: much better isolated than a normal tap, not certifiable as a stainless path end to end.
Verification: Community reported · Last reviewed
What it's made of
| Part | Material | Water contact |
|---|---|---|
| tap - unfiltered mixer path the normal hot/cold side of the tap, standard brass mixer body | Brass | Yes primary |
| tap - separate filtered inner waterway GROHE confirms this is a SEPARATE channel isolated from the brass, but does NOT disclose its material (stainless or food-grade plastic) - shown as plastic pending confirmation; this uncertainty drives the minimal-contact rating | Plastic other / unspecified | Yes primary |
| cooler / carbonator water-contact parts retailer/spec sources and the GROHE Blue Fizz sibling (stainless injection nozzle) indicate stainless where water-contacting - medium confidence, not fully documented, grade unspecified | Stainless Steel grade unspecified | Yes primary |
| filter cartridge (medium) BWT-designed cartridge; RO variant available | Activated Carbon / Ceramic Filter Media | Yes primary |
| filter cartridge housing plastic cartridge (confirmed via GROHE's take-back program that grinds spent cartridges into plastic granulate) | Plastic other / unspecified | Yes primary |
| seals / O-rings not individually documented; present in every such system | Silicone | Yes seal |
A single kitchen tap that pours regular hot and cold from one lever and filtered still, chilled, medium, and sparkling from a second control - up to five water types from one spout, fed by an under-counter cooler + carbonator. It's a direct competitor to the Quooker for the "multi-way tap with seltzer" slot; the difference in their plastic stories (GROHE confirms separation but not material, Quooker names steel) is covered in the verdict above.
Pros
- Documented SEPARATE inner waterway isolates filtered water from the brass mixer body
- Filtered still, chilled, medium, and sparkling from one tap
- Cooler/carbonator water-contact parts appear to be stainless (Blue Fizz sibling uses a stainless injection nozzle)
- Lead-Law compliant / NSF-61 certified (US models)
Cons
- GROHE does not disclose the material of the separate filtered waterway - cannot be confirmed stainless
- Filter cartridge housing is plastic (category-wide)
- Very expensive; full faucet + chiller systems run into the thousands
- Complex system with a cooler, carbonator, and CO2 to maintain
Notes
- A filtered-STILL-only sibling, GROHE Blue Pure (3-way: hot/cold/filtered still), uses the same separate-waterway design at a much lower price if you don't need chilled or sparkling.
Categories: Faucets
Sources
Every material claim above is backed by these. This is the scattered info we centralized.
- manufacturer https://www.grohe.us/collections/grohe-blue-chilled-sparkling-2-0-water-system "separate inner waterways for unfiltered tap & filtered drinking water"; still/chilled/medium/sparkling options
- manufacturer https://watersystems.grohe.co.uk/en/products/grohe-blue-pure Blue Pure states "two separate internal waterways - one for filtered water and the other for unfiltered water"
- manufacturer https://www.amazon.com/GROHE-Carbonator-Carbonization-Stainless-31943K00/dp/B0CLM4PYJT GROHE Blue Fizz sibling advertises a "stainless steel injection nozzle" - evidence the carbonation water-contact parts are stainless
- manufacturer https://www.grohe-x.com/en/inspiration/article/filtertakeback confirms filter cartridges are plastic (ground into granulate in the take-back program)
Spot a mistake or something out of date? Let us know — corrections are how this stays accurate.