Open fermentation for kombucha — 500 L stainless open-top fermenter.
The BrewTaurus PRO OTF-500 is a single-wall SUS304 open-top vessel for kombucha and other aerobic ferments: wide open top for the SCOBY and oxygen exchange, removable lid, sanitary drain, sample valve and thermometer port. 500 L effective, 625 L total. Also used as an open fermenter for traditional top-fermented ales.
Vessel architecture
- SUS304 single-wall vessel Ø1100 mm, open top with removable lid
- Sanitary dished bottom with full drain — no dead volume
- TIG welded · interior pickled and passivated · brushed exterior
- Adjustable legs · lifting handles
Ports & fittings
Ø38 drain outlet · Ø38 sampling valve · Ø38 thermometer port · Ø38 oxygen / aeration port. All tri-clamp.
Kombucha workflow
Brew sweet tea in the kombucha brewing system, cool, transfer to the OTF-500, add SCOBY and starter, ferment open at ambient 22–28 °C for 7–14 days, then rack to a bright beer tank for flavouring, carbonation and cold storage. One open-top fermenter per weekly batch keeps a continuous rhythm.
Technical summary
| Type | Open-top fermenter, single wall |
| Volume | 500 L effective · 625 L total |
| Material | SUS304 · TIG welded · pickled & passivated |
| Connections | Tri-clamp Ø38 |
| Lead time | Approx. 12–16 weeks incl. sea freight (made to order) |
Dimensions
| Vessel diameter | Ø1100 mm |
| Vessel height | 1,128 mm |
| Doorway check | plan doors on the route at ≥ 1,150 mm clear |
Dimensions from the general arrangement drawing (standard configuration, mm). Port positions and options are confirmed on your drawing before production.
Documentation, warranty & support
- CE marked · EU Declaration of Conformity · operation manual
- Warranty 3 years on vessels, 1 year on fittings, electrical and moving parts
- Spare parts by air within days · commissioning by video call · EU invoice from Prague, no import formalities