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* '''Green glass v Brown glass''' - Some bottle types, especially champagne style bottles, may be more available in green glass compared to brown glass. Green glass does a worse job shielding the beer from UV spectrum light, which can interact with hop compounds to produce 'skunky' or lightstruck flavors and aromas. Many classic Belgian mixed fermentation beers are found in green glass, and some producers in North America seek out green glass over brown glass for their beers <ref>[http://jesterkingbrewery.com/jester-king-in-green-bottles Jester King blog post about green bottles]</ref><ref>[http://www.thebrewingnetwork.com/the-sour-hour-episode-15/ Jester King on the Sour Hour, pt 2]</ref> (~11 minutes in) (also, Bob Sylvester).
* '''Crown caps v corks''' - Deciding between corks and caps will depend on the specific beer and the brewer's goals with the beer. Caps are a cheaper closure and are also easier to apply. Aside from aesthetics, you may choose corks when intending to age or store beers lying down in order to keep the beer from interacting with the cap. Some producers have observed that crown caps contribute to an off-flavor in their beer, especially if the beer is acidic. Pierre Tilquin closes some bottles of every blend with crown caps in order to test carbonation levels. He has noticed that the crown capped bottles have an off flavor not present in the corked bottles <ref>Conversation between Pierre Tilquin and Dave Janssen, 24-Oct-2015</ref>. Other producers regularly package their acidic beer with crown caps (e.g. the Rare Barrel, Boon Geuze in 25 cl bottles) and have not mentioned a problem with doing so. See [[Corking]] and [[Floor Corker]] fore more information on corking and using floor corkers.
==Equipment==