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 c130drvr 10-09-2012 01:03 AM

Efficiency

Sorry if this has been covered. I'm new to the forum and couldn't find it.

SOOO....I'm using Beersmith. I'm batch sparging for 60 minutes and doing a 10 minute mash out on a 5 gallon recipe.

After collecting both runnings in my boil kettle I came away with less than 5 gallons. Using my refractometer if I measure my approximate 4 gallons I got 18 brix. So is my efficiency based on what I got or is it based on bringing the volume up to 5 gallons. I brought my boil volume up to 7.3 gallons which gets me to approx 5 gallons after 60 mins. Is my efficiency based on the OG at 4, 5 or 7.3 gallons?

A lil' help!

Thanks!!!

 BrewKnurd 10-09-2012 01:06 AM

Quote:
 Originally Posted by c130drvr Sorry if this has been covered. I'm new to the forum and couldn't find it. SOOO....I'm using Beersmith. I'm batch sparging for 60 minutes and doing a 10 minute mash out on a 5 gallon recipe. After collecting both runnings in my boil kettle I came away with less than 5 gallons. Using my refractometer if I measure my approximate 4 gallons I got 18 brix. So is my efficiency based on what I got or is it based on bringing the volume up to 5 gallons. I brought my boil volume up to 7.3 gallons which gets me to approx 5 gallons after 60 mins. Is my efficiency based on the OG at 4, 5 or 7.3 gallons? A lil' help! Thanks!!!

Any of those. Efficiency is a measure of the extracted sugar, which won't change as you dilute. As long as you use a gravity that corresponds to the volume, you'll get the right answer.

 c130drvr 10-09-2012 01:32 AM

Thank you!!! Understood!!!

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