# Tagged Questions

The factor of alpha acids extracted from hops during boiling compared to the theoretical maximum. Typical utilization is 0.2-0.3. All things being equal, a lower gravity wort and longer boil times contribute to greater utilization.

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### Modifying Recipes for Boil Volume

I am modifying an extract recipe for a full volume boil. I understand how to use a brew calculator to calculate modified hop additions, but since my LHBS store sells hops in 1 oz bags, I'd rather not ...
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### Calculating hop replacement weights for different boil times

A question about utilisation calculations and hop replacements... Here's the scenario... I've got a basic grain bill and I want to vary the hops each time I create the beer. Obviously, different hops ...
163 views

### Will steeping specialty grains keep late extract addition from affecting hop utilization? To what degree?

I know my question is sort of answered in this post, where @Dean-Brundage answers that adding extract late will incease hop utilizaiton, and in this post, where @mdma answers that John Palmer and ...
137 views

### Is bitterness extraction dependent on wort volume?

Supposing I boil the same amount of hops in the same wort (same SG, for the same time, let's say one hour), separately into two pans: One with 10L wort, and x grams of hops One with 1L wort and x ...
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### Does wort gravity affect hop utilization?

My understanding is that wort gravity does not affect hop utilization. Instead, a larger boil volume will increase hop utilization, while a higher amount of break material will lower hop utilization. ...
443 views

### Converting Hops in All-Grain to Extract Recipe

I have this All-Grain recipe that I'm converting to Extract. Do you basically just increase the hops until the IBUs match the original measurement? I've gotten the OG fairly close and the SRM is a ...
314 views

### All-late addition hop APA

Has anyone tried this or anything like it from HBC? http://www.homebrewchef.com/AmarilloPale.html The claim is that since the AA's are so high, adding late will balance the beer and impart an ...
223 views

### Splitting Batches / Dilution

My current setup is an 8-gallon aluminum kettle with a weldless valve and Blichmann Brewmometer (which, even when 'shielded' from flame, does not work, not happy with that investment). This serves as ...
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### Indoor-alternatives to kitchen stove

I am a kitchen-brewer doing 5 gls all-grain batches and am frustrated because the kitchen stove is lacking the last bit of power to yield a nice rolling boil. Are there any indoor-alternatives to the ...
827 views

### 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 ...
177 views

### Hop utilization

I've been thinking, especially after brewing my last IPA, about getting the most out of my hops. The higher the SG of your wort, the less you get from your hops, so the more you have to put in. I've ...