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jcw203 · 05-14-2012, 04:04 AM

Recently made some keggles an have started on making myself a three tier brewstand to go to all grain soon hopefully. While waiting for all this to get done I really want to use my keggles and didn't figure I should be using them in the 2-3 gallon partial boils I have been doing. I have been using ahs ingridient kits and was wondering what steps I would change and how to do a full boil brew on my next brew.

dyennie · 05-14-2012, 12:58 PM

I have the same exact question on my mind too.

**bad67z** · 05-14-2012, 01:11 PM

The only real change will be your hops utilization. It should be higher with the additional water. I mainly used kits when I was regularly extract brewing, I never worried about it. There are a number of calculators available online.

**cheezydemon3** · 05-14-2012, 01:25 PM

............ Aren't most recipes assuming a full boil?

Add the top off water before boiling instead of after.

No other difference.....except some evaporates, so add a little extra.

**bad67z** · 05-14-2012, 01:31 PM

Quote:

Originally Posted by cheezydemon3

............ Aren't most recipes assuming a full boil?

Add the top off water before boiling instead of after.

No other difference.....except some evaporates, so add a little extra.

Strait from the a set of instructions from a Brewers Best kit, they are pretty popular in my region.

Brew Tips
1The volume of wort boiled aff ects hop utilization. Boiling
more than 2.5 gallons will increase the IBU’s and
they will decrease if wort volume is less than 2.5 gallons.
IBU’s for this recipe are calculated for a 2.5 gallon
boil.

**Franc103** · 05-14-2012, 01:33 PM

Quote:

Originally Posted by cheezydemon3

............ Aren't most recipes assuming a full boil?

All of the recipes in Brewing Classic Styles assume a full boil.

Most extract recipes from Northern Brewer assume a 20qt pot and top-off water, IIRC. I think AHBS asks you to get the largest pot you can find.

When you switch to full boils, aeration/oxygenation becomes increasingly important. Adding top-off water introduces plenty of fresh oxygen to the wort. Boiling drives it off.

**cheezydemon3** · 05-14-2012, 05:43 PM

Well.......that is something!!!!!!

Some recipes assume a small boil, some big.

Could explain some of these "my beer is too bitter!" threads.

ryan83 · 05-14-2012, 07:05 PM

I did two extract kits when I first started and followed the partial boil directions, on the third I did a full boil. I used an online calculator to determine how much hops before I purchased beer smith. I did a few more kits this style and I think generally most calculations were roughly half the hops.

**cheezydemon3** · 05-14-2012, 07:16 PM

Quote:

Originally Posted by ryan83

I did two extract kits when I first started and followed the partial boil directions, on the third I did a full boil. I used an online calculator to determine how much hops before I purchased beer smith. I did a few more kits this style and I think generally most calculations were roughly half the hops.

HALF???????

wow.

that is something to think about!

Of course chilling 5 gallons is more of an operation than chilling 2.25 and topping up with whatever you want.

**bad67z** · 05-14-2012, 08:35 PM

Quote:

Originally Posted by cheezydemon3

HALF???????

wow.

that is something to think about!

Of course chilling 5 gallons is more of an operation than chilling 2.25 and topping up with whatever you want.

True chilling 5 gallons of wort is a beast to accomplish with an ice bath. I would tend to think that the half or less boil volumes has more to do with the "noobs" having a 7+ gallon pot and the ability to generate btu's to get it boiling.