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-   -   Efficiency with honey (http://www.homebrewtalk.com/f36/efficiency-honey-335701/)

fauxtoe 06-16-2012 01:04 PM

Efficiency with honey
I'm having a hard time working out what my efficiency was because of the addition of honey. I did my first all grain and as far as I can tell I think I did well.

Here is the recipe(please note it was 4 gallons final volume as intended):

I measured the OG pre boil and pre honey at 1.025

Then before pouring into the primary(after boil) I was at 1.050 with the addition of honey.

So when do I calculate efficiency without accounting for the honey addition?

I also learned that I should just pour the honey straight into the primary(instead of at flame out) because I did end up with what seemed like a bit of it mixed in with the trub when I cleaned my pot. It was a lot jumping into my first all grain with my own recipe and BIAB setup. Also lit my bag on fire a bit and broke a candy thermometer. Fun day.

afr0byte 06-17-2012 02:40 AM

You calculate it using that 1.025 reading for whatever volume you had pre-boil.

fauxtoe 06-17-2012 11:45 AM

Knowing the amount is 1.6 gallons, what formula or online calculator do I use?

tippetsnapper 06-17-2012 03:06 PM

The March-April issue of BYO magazine covered this exact subject, including all the calcs and adding some maltodextrine as the honey tends to dry the beer out.

fauxtoe 06-17-2012 06:10 PM

Could you link me or post an excerpt?

fauxtoe 06-18-2012 02:40 PM

Can anyone help me with the initial question? I keep googling things and not getting a real answer. Thanks

afr0byte 06-18-2012 02:50 PM


fauxtoe 06-18-2012 03:01 PM


Does that look like I used it correctly? I'd be amazed if I had an 88% efficiency on my first BIAB.

afr0byte 06-18-2012 03:03 PM

You boiled off 2.8 gallons? If 6.8 is actually the correct volume, then yes you're using the tool properly.

fauxtoe 06-18-2012 03:15 PM

Well I lost 2.8 gallons to the grains, boil off, and trub. When is the correct time to measure the wort for efficiency? Before the boil or after?

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