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Certified Cicerone® · Keeping and Serving Beer

Examine Bottle

Syllabus Path

Inspect the beer identity, package size, date code or best-by date when present, closure condition, and visible sediment or haze.

  1. I. Keeping and Serving Beer
  2. G. Serving bottled beer
  3. 2. Examine bottle

Exam Focus

  • Inspect bottle condition, closure, date, and visible beer before opening.
  • Recognize leakage, chips, gushing risk, haze, and sediment cues.
  • Decide when to stop service and replace or escalate.

What to know

Inspect the beer identity, package size, date code or best-by date when present, closure condition, and visible sediment or haze.

How it applies

Some sediment is normal in bottle-conditioned beer, while leakage, broken glass, a loose closure, or clearly stale dates should stop service.

  • Do not serve bottles with snow-like white flakes.
  • Do not serve bottles with a residue ring at the liquid line.
  • Check for yeast sediment.
  • Retain or rouse yeast based on guest preference and style tradition.

Certified Cicerone® Notes

What the control point does

Examine Bottle connects beer quality to a specific service action. The professional task is to protect the beer's intended carbonation, aroma, flavor, appearance, and package or draft integrity while avoiding unsupported claims. For storage and package topics, that means checking age, temperature, light, oxygen, and container condition. For draft topics, it means keeping gas, beer, cooling, and cleaning variables in balance.

Decision workflow

| Observation | Likely cause or risk | Cicerone®-level decision | | --- | --- | --- | | Warm beer, foamy pour, or dull flavor | Temperature abuse, draft imbalance, or age | Verify temperature and freshness before changing other variables | | Dirty glass, faucet contact, or stale aroma | Contamination or poor service practice | Stop the pour, replace the glass or beer, and correct the process | | Damaged package, leaking keg, or uncertain line status | Safety, oxidation, or microbial risk | Hold the beer and escalate before selling it | | Guest needs explanation | Service decision affects experience | Explain the quality reason in plain language |

Failure modes and escalation

The common failure is treating a symptom as a single-cause problem. Foam can come from warm beer, dirty glassware, incorrect pressure, blocked vents, line restriction, or a damaged keg seal; stale flavor can come from age, heat, oxygen, light, or dirty dispense. The applied answer is to inspect visible conditions first, keep beer out of service when quality or safety is uncertain, and reserve pressure, gas-blend, line, or chemical decisions for trained staff.

Worked application

A chipped lip, leaking crown, pushed cork, sticky bottle neck, unexpectedly low fill, or dried beer under the cap can signal package failure. Haze and sediment require context: they may be normal in bottle-conditioned beer and unacceptable in a bright lager. Inspection protects the guest from both safety hazards and stale or contaminated beer.

Other Certification Notes

Certified Beer Server Open the Certified Beer Server topic page

Exam Focus

  • Do not serve bottles with snow-like white flakes.
  • Do not serve bottles with a residue ring at the liquid line.
  • Check for yeast sediment.
  • Retain or rouse yeast based on guest preference and style tradition.

Why It Matters

  • Operational discipline preserves the brewer's intended flavor and presentation.
  • Structured troubleshooting prevents unnecessary waste and unsafe improvisation.
  • Clear guest explanations turn quality control into trust rather than excuses.

Practical Sensory Exercises

Examine Bottle service drill

Write a three-step service-floor response for a realistic account problem involving examine bottle: what you inspect first, what you do or escalate, and how you explain the decision to a guest or manager without overclaiming.

Key Terms

Date code
A package marking that indicates packaging date, best-by date, or production lot.
Bottle-conditioned
Beer packaged with yeast and fermentable material that can create natural carbonation and sediment.
Package integrity
The closure and container being undamaged and safe to serve.
Quality checkpoint
A service or receiving step where beer is inspected before it reaches the guest.
Service decision
The professional choice to serve, hold, replace, adjust, or escalate based on observed evidence.
Carbonation
Dissolved carbon dioxide that affects foam, aroma release, texture, and draft behavior.
Oxidation
Staling caused by oxygen exposure or age, often accelerated by heat.
Escalation
Moving a problem to a manager, supplier, or draft-trained professional when routine service action is insufficient.

References

1 available