How to use section Y

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How to use section Y

Post by nosco » 3 years ago

Most sources have extract potential written as PPG (How to Brew) or SG (Beer Smith). How to I translate this into FGDB and MC in Section Y of the Biabicus :scratch: . Id like to use some flaked corn in a brew and plus Id like to learn how to use section Y. Apologies if its already been answered some where else.

Ive read this link and I know I read about FGDB on here before but couldnt find it.

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Last edited by nosco on 10 Dec 2014, 21:22, edited 1 time in total.
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Post by Rick » 3 years ago

FGDB is the % maximum sugar yield of a specific grain/adjunct on Fine Grind Dry Basis. MC is moisture content.

According to this page, flaked corn has maximum yield of 84%.

Type in 84% for FGDB, and 4 for MC ... and 37.3 will appear in the ppg section. Note the PPG of this adjunct has a range of 33-39 on the HTB link.

HTB doesn't really specify the grind setting to any accuracy, so the calculation falling into range is good enough for me.
Last edited by Rick on 10 Dec 2014, 21:54, edited 1 time in total.

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Post by nosco » 3 years ago

Thanks Rick.

So FGDB and Max Yeild are basically the same thing. Did you you just change the MC number to get to get it between max and typical ppg?

I am guessing that section Y is more used for sugars and syrups etc. Would it be really necessary to adjust it for flaked corn?

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Post by nosco » 3 years ago

For the small amount I am planning to use (using sugar too) putting the info in section Y made a 1 gram difference to both in section C :lol:
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Post by Rick » 3 years ago

4% is the default, and I entered that simply to get a FGDAI-ppg result on the spreadsheet.


IME, the defaults have been pretty spot on. 35.49ppg is the BIABacus default ... so yeah this really doesn't need consideration on the homebrew level, really. I still do it for the sake of precision, though. Used to do it for everything, but now just highly fermentable additions like dextrose, turbinado, honey ... stuff like that.

On the homebrew level, the difference is going to be trivial, but it's nice to have the option ... just to see how larger batches might be affected.

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Post by nosco » 3 years ago

Where do you find values for honey or others that aren't on the htb link? Beer smith has a pretty good listing but its in SG
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Post by laxon » 3 years ago


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Post by nosco » 3 years ago

Thanks for the links.

I should read a little more before I ask questions :blush: :roll: :lol:
Last edited by nosco on 11 Dec 2014, 08:09, edited 1 time in total.
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Post by Rick » 3 years ago

There is no real standard for honey, so the only way to be completely sure is to dissolve it into a specific amount of water and measure it with a hydrometer.

This article states that it varies between 32-38 PPG ... https://byo.com/stories/item/322-brewing-with-honey.

Once again, the BIABacus default is pretty good here.

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Post by Rick » 3 years ago

Also confirmed by Palmer here ... http://www.howtobrew.com/section4/chapter20-3.html

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Post by nosco » 3 years ago

So if wanted to be really accurate you could test the SG of ingredience and enter it into the biabicus. Thats very cool.

Maybe for really big batches lol
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