Tank beer — tankové pivo in Czech — is unpasteurized, unfiltered beer delivered to a pub in large sealed, pressurized tanks instead of small aluminum kegs. It skips the usual steps that extend shelf life, so it reaches the glass closer to how it left the brewery. Pubs advertise it because that freshness is the entire selling point.
What exactly makes tank beer different?
Standard Czech draft beer — čepované or točené pivo — is usually pasteurized or at least sterile-filtered before it leaves the brewery. That process stabilizes it for weeks of transport and storage in kegs.
Tank beer skips both steps. It travels from the brewery to the pub in insulated, pressurized tanks, often within a day or two of being brewed. Because it is neither pasteurized nor filtered, it carries more residual yeast and a shorter usable life once the tank is connected. Pubs that run genuine tank systems typically get through the volume fast enough that this isn’t a problem.
The brewing group Plzeňský Prazdroj, which produces Pilsner Urquell, developed and trademarked much of this distribution model under the name “Tankovna,” and its own site sets out how the closed-tank system is meant to work from brewery to tap — see Plzeňský Prazdroj’s corporate site. Other major Czech brewers run comparable systems under their own branding.
How do you actually tell if a pub’s tank beer is real?
This is the part most guides skip. The word “draft” tells you nothing about freshness in Czech pub signage. Three checks matter more than the sign out front.
- Read the exact word. Look for tankovna or tanková on the menu or tap badge. “Čepované” or “točené” just mean “on draft” — they say nothing about pasteurization or delivery method, and plenty of standard keg beer is labeled that way.
- Look for the tank itself. Genuine tank systems usually keep the tank visible behind or near the bar, sometimes behind glass, because the equipment is part of what’s being sold. A pub with no tank in sight and only a line running to a back room is worth a second look.
- Check the price against standard draft. Tank beer typically costs a small premium over the same brewery’s ordinary keg draft — brewing-trade commentary and Czech beer writers commonly put it in the range of roughly 5 to 15 Kč per half-liter, though this varies by pub, by brewery, and by year. If a “tank beer” is priced identically to the regular draft on the same menu, treat that as a sign it may simply be relabeled keg beer rather than a true tank delivery.
None of these checks are proof on their own. Together, they’re a reasonable filter.
| Signal | Suggests genuine tankovna | Suggests ordinary keg draft |
|---|---|---|
| Menu wording | “Tankovna” / “tanková” stated explicitly | Only “čepované” or “točené,” no further detail |
| Equipment | Visible steel tank near or behind the bar | No tank visible, just a standard tap line |
| Price vs. standard draft | Modest premium per half-liter | Same price as the pub’s regular draft beer |
Why do pubs bother advertising it at all?
Tank beer is a genuine differentiator in a city where draft beer is everywhere. Advertising “tankovna” lets a pub signal that it is paying for faster turnover, closer-to-brewery delivery, and the refrigeration a proper tank system requires. That’s a real operating cost.
It’s also a marketing word, and marketing words get stretched. Nothing stops a pub from printing “tank beer” on a chalkboard next to beer that arrived in an ordinary keg. The checks above exist because the label alone isn’t regulated the way, say, a wine appellation is.
Does tank beer actually taste different?
Brewers and beer writers generally describe unpasteurized tank beer as rounder and less bitter on the finish than the pasteurized version of the same brand, with a softer carbonation. Whether that’s noticeable to a given drinker is subjective, and no public body tests or certifies the claim. Readers weighing it for themselves are better served trying both side by side than taking anyone’s word for the difference.
What isn’t subjective is shelf life. A connected tank is meant to be emptied within days, not weeks. A pub that moves high volume is far more likely to serve tank beer at its best than one where it sits half-used for a slow week.
How does this fit into ordering a beer generally?
Tank beer is one layer on top of the ordering process itself, which has its own conventions — how tabs are kept, how refills arrive unprompted, what to do with the paper coaster. The mechanics of that system are covered separately in the guide to how ordering in a Czech pub actually works.
Degree numbers on the menu (10°, 11°, 12°) are a separate question again — they describe original gravity, not alcohol content, and they’re explained along with current pricing patterns in the site’s broader guide to Prague beer, which also covers the paper tab system pubs use to track what’s been ordered.
For a first visit, it helps to know the wider context too: what the koruna is worth, how card payment works in older pubs, and what else is worth planning before arrival, covered in the first-time visitor guide and the general practical planning hub.
Is the extra cost worth it?
That depends on what a visitor is optimizing for. A few koruna extra for a fresher pour is a minor decision compared with a restaurant bill or a museum ticket. The bigger risk isn’t overpaying — it’s paying a premium for beer that was never actually tank-delivered in the first place.
The city’s beer culture more broadly, including pub districts and the pattern of where tank systems tend to cluster, is covered in the Beer & Pubs archive. Background on the city’s own tourism promotion, including how Prague’s official visitor body describes its pub tradition, is published by the Prague City Tourism authority at prague.eu.
Prices on any specific menu change often enough that naming a figure here would go stale fast. The structure — a modest, checkable premium over standard draft — is the durable part. The number on the chalkboard is the part to verify in person.
Access Prague is an independent guide written from published, checkable sources. We have not visited the places described here and we do not publish personal recommendations or invented ‘local favorites’ — where something is singled out as notable, we say who says so. Opening times, fares, closures and prices change at short notice, so treat everything here as a starting point and confirm with the museum, operator or venue directly before building a day around it. We give no advice on visas, insurance, health or safety; use your own government’s official guidance for those.