"Minimum" equipment/hardware required for a five U.S. Gallon (18.9 liter) extract batch* |
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Why brown bottles?If beer is exposed to light for very long, hop compounds present in beer can react with blue/UV-light (wavelengths of 400-500 nm) resulting in a "skunky" aroma and taste. The harmful wavelengths of light reaching the beer can be filtered out to a more or lesser extent depending upon the color of the glass. Of the common beer bottle colors brown is most effective at filtering out the harmful wavelengths. This is why most beer bottles are made from brown glass. Green glass will also filter out some of harmful light though not as well as brown glass will. Clear, colorless glass does not filter much out the offending wavelengths of light. Beer can be bottled in clear, colorless bottles. It just needs to be stored in a dark place. Note that although Miller Genuine Draft is packaged in clear, colorless bottles it does not become skunky. This is simply because the hop compounds which react to light have been chemically altered such that they are no longer photoreactive. The beer need not be completely fermented to succumb to the harmful affects of light. Prolonged light exposure of fermenting wort in a glass carboy can also result in skunky beer. Note that brown bottles are not completely effective at filtering out the harmful wavelengths of light. Complete protection from light would require the bottles to be opaque. To become familiar with what is meant by skunky beer simply place a two clear or green bottles of a fairly hoppy beer in a sunny window sill for an hour or two. One bottle should be wrapped tightly in aluminum foil to prevent exposure to the light. In this way for the purpose of comparison both bottles would be exposed to the higher temperatures associated with being in direct sunlight but only one should also be skunky or light-struck.
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* This list assumes one is going to start out by brewing with malt extracts. Brewing with malt requires additional equipment such as a mash tun, lauter tun etc. The total cost of the above items should probably be about $200 or so.
Keep in mind that if one were to ask ten experienced homebrewers to compile such a list you probably end up with no two lists being exactly the same.
Although not really a piece of essential equipment I would also strongly recommend a beginning homebrewer to purchase The New Complete Joy of Home Brewing by Charlie Papazian (published by Avon Books). This book is easy to read and contains a great deal of information without being intimidating. If one heeds Papazian's advice your first homebrews need not be "science experiments".
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A wort chiller was not listed above because it is not an essential piece of equipment for brewing your first few batches of beer. Before too many batches, however, you will definitely want to purchase a wort chiller. A wort chiller allows you to quickly cool the hot wort down to pitching temperature (~80° F). For your first wort chiller I would recommend getting an immersion type wort chiller rather than a counter-flow chiller; immersion wort chillers tend to be easier to clean and sanitize than the counter-flow chillers.
Until you have a wort chiller placing the brew kettle in a tub of cold ice-water works pretty well for cooling the wort down to pitching temperature in a reasonable amount of time.
Should you have any questions or comments please e-mail Scott Stihler at stihlerunits@mosquitobytes.com.