The process of heating the wort to 100C or higher causing the wort to boil.

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Brewing at Altitude

How does high altitude affect brewing chemistry? Up here in Denver (5280') or even higher in the mountains (some towns in Colorado are 9000' and higher), water does different things. In Denver, water ...
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5answers
1k views

Effect of boil size on IBUs

I have the following recipe on beercalculus: http://hopville.com/recipe/551364/belgian-pale-ale-recipes/wedding-belgian-ipa-2011-03-06-version beercalculus (along with most IBU calculators), ask for ...
4
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2answers
537 views

Propane v. Natural Gas

I just moved to a home where there is natural gas being piped into the garage for a garage heater. I was thinking of re-tooling my burners with jet/orifices that can handle the lower pressure of the ...
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1answer
878 views

Home brew, acetylaldehydes and hangovers

Both me and my gf noticed that my home brews (even just 1 or 2 a night) cause a fairly noticeable headache in the morning compared to commercial brews. God forbid you get drunk on it, the next ...
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3answers
350 views

Does anybody else skim the protein off the top of their boil?

I've been doing it lately, assuming it will reduce the amount of crap I have to filter out after the boil, and it seems to reduce the amount of head I get during the boil (less chance of a boil over). ...
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4answers
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Filter out Hops after Boil

After the boil I have been told to run the wort through a filter before adding yeast and letting it ferment. It seems like you would get more flavor leaving the hop leftovers in. What is the ...
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3answers
2k views

What is the Maillard reaction, and why should I care what a duck thinks?

What is the Maillard Reaction? What does it do for my beer? What can I do to encourage or discourage it?
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3answers
762 views

Melanoidins in beer

Where do melanoidins come from in beer? What characteristics do they bring to beer?
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4answers
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Is a long boil with extract necessary?

I'm making a late hopped extract beer later tonight. (Jamil's Evil Twin as posted http://www.mrmalty.com/late_hopping.htm) He suggests at 90 minute boil with the first hop addition coming 20 minutes ...
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4answers
196 views

Long boils are ruining enamel on stove, is there any way to prevent this?

I have tried putting aluminium foil about 3 inches out from around burner, but that seemed to exacerbate the problem. I think it helped the insulate the area under the foil. It seems like I am ...
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1answer
3k views

90-minute boil for pilsner malt?

On the "Belgian Blond Ale" episode of the Jamil Show (podcast) it was said that you should do a 90-minute boil because of the pilsner malt. Can someone explain this further?
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3answers
652 views

Pennies in the Boil

I've heard that adding cleaned pennies to the wort can help prevent boil-overs. I guess they could provide nucleation points- I dunno. Any truth to this, or is it just an old wives' tail?
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2answers
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What does a 0 minute boil time mean?

I have a recipe that calls for an ounce of hops at 0 mins. boil time, any idea what you would do here? Typically, after a my 60 minute partial boil is complete, I take the pot off of the stove ...
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5answers
739 views

Is it possible to do full boils without a propane burner?

I currently brew all-grain using a 7.5 gallon pot on a propane burner outside at a house I currently rent. However, I'm planning to move within the year to an apartment in the city and likely won't ...
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2answers
933 views

What are some popular methods for measuring boil and HLT volume?

Particularly during lautering and during a boil, I have a hard time keeping track of water/wort volume. What method(s) and equipment do you all recommend for accurately calculating liquid volume ...
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7answers
3k views

Aluminium boil pots: Heresy or not?

Are aluminium pots acceptable as boil vessels? They're cheap, but I've heard they can produce off-flavors. Any experiences with them?
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2answers
1k views

Boiling with lid on or off?

In this answer it is mentioned that boiling with the lid on or off may make a difference in final gravity. Which do you recommend and why?
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2answers
354 views

How much does a full boil affect things?

I've seen a few threads here and there saying that one thing to do as soon as possible is start doing a full boil (5 gallons in the boil instead of ~3 in the boil with ~2 of water added later). For ...
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6answers
9k views

Tap Water: Safe to use without boiling? [duplicate]

I made my first batch of beer over the weekend. I didn't have quite enough bottled water on hand to add to my wort to make 5 gallons, so I used tap water. I sanitized the hose sprayer on my sink by ...
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3answers
267 views

Hop Utilization Resource

When substituting hops (both varieties and pellet/plug/whole)in a recipe, I would like to keep IBU as close to the recipe target as possible. However, the best utilization chart I can find is in ...
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1answer
3k views

When brewing a chocolate stout, should the cacao nibs be added in the boil, the secondary, or both?

When using cacao nibs to brew a chocolate stout, should they be added in the boil (if so, when?), in the secondary fermenter, or both? Is there a better ingredient to add to produce the chocolate ...
7
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2answers
389 views

Extract late with a full boil?

If you can do a full wort boil with extracts is it still beneficial to be adding extract late to avoid color changes and the like? What would happen to hop utilization with extract late in a full ...
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2answers
1k views

Effects of different boil intensities

What are the effects of having a super rapid crazy boil vs. a very slow, slightly rolling boil, and the different stages in between? If you're boiling 6 gallons on an electric stove or trying to do ...
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1answer
772 views

First All Grain Batch / LOW Efficiency

Yesterday I went down to my homebrew retailer, planning on buying a simple screen/valve assembly for a cooler. No go. He didn't have any of THOSE left, however he did have an assembly to use an ...
4
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1answer
268 views

Using hops after fermentation

Let's say you have already put your beer into your fermenter and you decide its taste is not hoppy enough. So you start out to add some more hops into it. One way to dry hop, but I will not expand ...
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5answers
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How can you tell if a propane burner is large enough for boil?

Any idea on what BTU, PSI, etc. would be acceptable for 5 gallon boils? I've been looking around at turkey fryer's but I don't know if they'll pump out enough heat. Recommendations? PS: I'm trying to ...
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4answers
396 views

Small Space & Apartment Brewing: Boiling

Given the limited space of an apartment, what tips do you have for the boil? Do not consider budget to be a factor. This is the fourth question in a series of discussions about small-space brewing. ...
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2answers
1k views

Sanitation & Dry Hopping

Is there any risk of wort infection by not sanitizing hops before dry hopping?
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2answers
518 views

Propane tank usage in winter time

Today is 14F here in the northern suburbs of MA. In the winter time it can be tough to brew outside if you are a propane cooker brewer such as myself. When the tank is going full bore it tends to ...
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1answer
1k views

Partial vs. Full Voume Wort Boil

The starting postion for most new extract brewers is to use a partial boil set up. Defined as using a pot smaller than the intended batch size, all the ingredients are boiled in a smaller volume. ...
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2answers
332 views

Cocoa Nibs for Chocolate Flavorings

What is the best way to use cocoa nibs? Do you crush them, crack them leave them whole? Steep and remove pre-boil, leave in boil, add at flameout? Add them only during secondary? How long?
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1answer
376 views

First Wort Hopping (or FWH)

What is First Wort Hopping (FWH) and how best can it be replicated in extract brewing?
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13answers
2k views

Where do you brew?

This Saturday (1/2/09) will be my very first time brewing and I am considering my options as far as location. I have seen some folks boiling their wort outside on a gas grill and the smiling people ...
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3answers
4k views

Amount of Water to Boil for Wort

If I'm making a 5 gallon batch of beer, how much water should I use for my wort? Papazian's book says to use 1.5g and add it to 3.5g of room temperature water already in the carboy. I see how this ...