Coldbreak Brewing HERMS Giveaway!

HomeBrewSupply AMCYL Brew Kettle Giveaway!


Home Brew Forums > Home Brewing Beer > General Techniques > Does a high OG affect efficiency?
Reply
 
Thread Tools
Old 11-24-2008, 01:52 PM   #1
missing link
Feedback Score: 0 reviews
Recipes 
 
Join Date: Jul 2007
Location: Highland, MI
Posts: 667
Liked 3 Times on 3 Posts

Default Does a high OG affect efficiency?

I brewed a clone of New Hollands Dragon's milk over the weekend. It had a target pre-boil gravity of 1.069. I entered all my info into beersmith with 75% as my efficiency which is pretty normal for my set-up.

We only got 1.053 pre-boil. I ended up heating 2 more gallons of water recircing through the grain, getting runnings of 1.016 and boiled that in a seperate pot. After almost an hour of boiling we hit our 1.069 added the hops and finished our brew. Hopefully it turns out well.

The week before I made a cream ale and hit over 80% efficiency so I had to dilute my pre-boil with 1 gallon of water to hit my numbers.

Does anybody else find that their efficiency goes down as the OG goes up?

Linc


__________________
Tap#1 = Beer
Tap#2 = Beer

THey change to often to keep up with the Sig.
missing link is offline
 
Reply With Quote
Old 11-24-2008, 02:09 PM   #2
Bobby_M
Vendor and Brewer
HBT_SPONSOR.png
Vendor Ads 
Feedback Score: 4 reviews
 
Bobby_M's Avatar
Recipes 
 
Join Date: Aug 2006
Location: Whitehouse Station, NJ
Posts: 22,748
Liked 1299 Times on 853 Posts
Likes Given: 35

Default

Yes, it does go down a bit but if I had to guess it would be about 1% for every 5 points over 1.040.

So, for my typical 1.045 session beer where I get 90% efficiency, a 1.060 would get me 87%. It's difficult to isolate the effects of so many variables. You could have had a termperature issue, a different crush, different sparge technique?

The reason why you lose some efficiency is due to the smaller sparge water to grain ratio. You can combat this a bit by using a slightly stiffer mash 1qt/lb or so.
__________________
Welcome to BrewHardware.com. I love you.
New 100% Stainless Steel Heating Elements are IN! ULWD 5500w Ripple, 2000w, 1500w, etc
Chugger Pumps, Pump Kits, Camlocks, Sightglasses, Clear USA made Silicone Tubing, RIMS, Electric Install Parts, etc.
Bobby_M is offline
 
Reply With Quote
Reply


Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
Would this affect my efficiency? macabra11 All Grain & Partial Mash Brewing 5 07-08-2009 03:52 PM
Do water treatments affect flavor or just mash efficiency? Danek All Grain & Partial Mash Brewing 3 02-14-2009 12:01 PM
how mash parameters affect fermentability and efficiency Kaiser All Grain & Partial Mash Brewing 13 11-21-2008 05:17 PM
Efficiency too high? menschmaschine All Grain & Partial Mash Brewing 19 08-14-2007 12:53 AM


Forum Jump

Newest Threads

LATEST SPONSOR DEALS