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Appearance: Visible Rings Inside Bottle Neck

Problem:

Looking at your bottled beer, you observe a ring of an unknown 'something' at the waterline inside the bottleneck.

Causes:

  • Bacterial infection by micro-organisms generates visible, undesirable particles suspended in the beer.
  • Weak hot and cold breaks leave particles suspended in the beer.
  • Using wort to prime the beer introduces break material into the beer, causing a ring inside the bottle neck.

Cures:

  • Maintain sanitary conditions.
  • Maintain a strong rolling boil for at least one hour to ensure a hot break, followed by a rapid cool-down of the wort to ensure a strong cold break.
  • Use glucose sugar for priming.
Appearance: Visible Rings Inside Bottle Neck