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Old 01-03-2013, 01:37 PM   #1
richwyso
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Default Boiling 3 gallons vs 5 gallons

I had another question about this. My other thread was talking about the OG not being at what it was suppose to be and from the advice i got it (and another good thread on here) it was because the topping off the 2 gallons of water at the end. My question then is, is it ok to boil 5 gallons of water instead of 3? I don't have a kettle big enough for that yet but i am thinking of getting a nice one soon. When looking at the instructions the recipes are for a 3 gallon boil.. If I were to do a 5 gallon boil would it still taste the same with the same amount of ingredients going in, or do you have to change up the ingredients to make up for the two extra gallons of water being boiled? Thanks so much!!

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Old 01-03-2013, 01:45 PM   #2
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GRAINS would be the same; whether you boil the water together or add it at the end, the gravity SHOULD come out the same

HOPS are a different story; more water in the boil = better hop utilization = can use less hops for same IBUs

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Old 01-03-2013, 01:46 PM   #3
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I think a full boil with five gallons is recommended. The act of boiling does a lot to make beer better. Depending on your setup at this stage you might not be able to boil that much in one go. It also depends on your recipe and how it was written. A lot of people doing extract start with three gallon boils and top off with two more gallons in the fermenter before pitching yeast.

http://brianbeer.blogspot.com/2008/03/importance-of-full-wort-boil.html

I'd also imagine you might get more caramelization of sugars and subsequent darkening in a three gallon boil than a five gallon boil.

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Old 01-03-2013, 02:58 PM   #4
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Originally Posted by Arrheinous View Post
I'd also imagine you might get more caramelization of sugars and subsequent darkening in a three gallon boil than a five gallon boil.
Late extract additions will greatly reduce or eliminate the caramelization. Many add the LME at 10 minutes left or flameout. My last batch I only boiled the steeping grain wort and 1 lb of dme and added all the LME at flameout.
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Old 01-03-2013, 03:11 PM   #5
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I suggest getting an 8 gallon kettle. This will allow you to do full boils.

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Old 01-03-2013, 08:40 PM   #6
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Quote:
Originally Posted by richwyso View Post
If I were to do a 5 gallon boil would it still taste the same with the same amount of ingredients going in, or do you have to change up the ingredients to make up for the two extra gallons of water being boiled? Thanks so much!!
The recipe is assuming you are are doing a half boil. You do not need to change and Ingredients if doing a full boil. Full boil will taste much better.

I started out doing full boils in an 8 gal kettle. If I knew then what I knew now I would have just gotten a 15 gal kettle. You will need 6 and a 1/2 gal for a full boil. That will leave you about 2 in. to stop a boil over. It's to close for my comfort. A gal or so will boil off and ur grains and hops will absorb some. I would say get a 15gal. You won't regret it.

That's just my opinion. Can't wait to upgrade from my 8gal. It is the absolute minimum for a full boil.
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Old 01-03-2013, 09:11 PM   #7
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Is your setup capable of keeping a vigorous boil at full boil?

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Old 01-04-2013, 01:22 AM   #8
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Is your setup capable of keeping a vigorous boil at full boil?
THe kettle I have is technically 5 gallons, but when I did my first batch i bought separate 1 gallon water jugs to put into the kettle and when we got to the third it just seemed way too high and that all 5 gallons wouldnt actually fit in there without a boil over. So that's why I would do a vigorous boil with 3 gallons and not worry about a boil over
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Old 01-04-2013, 01:28 AM   #9
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The recipe is assuming you are are doing a half boil. You do not need to change and Ingredients if doing a full boil. Full boil will taste much better.

I started out doing full boils in an 8 gal kettle. If I knew then what I knew now I would have just gotten a 15 gal kettle. You will need 6 and a 1/2 gal for a full boil. That will leave you about 2 in. to stop a boil over. It's to close for my comfort. A gal or so will boil off and ur grains and hops will absorb some. I would say get a 15gal. You won't regret it.

That's just my opinion. Can't wait to upgrade from my 8gal. It is the absolute minimum for a full boil.
Ha i replied to the other posting before i read this. So basically I would have to get a 6.5 at least. I live in a condo thats already busting at the seams with my stuff. Between all my power tools and now the collection of brewing supplies. The guest room is luckily mine but my fiance does not like clutter in there so if i were to upgrade to a bigger one it would be the 6.5 gal one for now. Happy wife happy life eh? ha
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Old 01-04-2013, 11:55 AM   #10
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I hear ya. We are taking our kitchens and closets back lol. Just keep in mind if you want to do full boils u need 6 and a half gal of water. So a minimum 8 gal pot. And like I said if I were you, I would do it right and get a 15 gal kettle from the start.

Good luck!!

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