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Old 03-22-2011, 09:48 PM   #1
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Default BIAB Water Volume Calculator

Hey guys,

I put together a BIAB Water Volume Calculator to help on my brew days, and figured I'd share it with you. I always seemed to forget to do the calculation before heading to my buddy's to brew, so I finally got it posted on my blog. Enjoy!

http://classist.net/biab-calculator

Please consider donating using the embedded Donate button on the page if you find the tool useful.

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Originally Posted by Homebrewtastic View Post
I think a more pertinent question is where is AB and Miller Coors getting all of their horse urine?
Primary: Belgian Pale Ale w. Brett | Saison | Mango Pulp Wine | Graff, 10 gal

Bottled / Kegged: Hopped Imperial Wheat | AK47 Pale Mild, BIAB | AHS 20th Anniv. IPA, No Chill | Apfelwein
Leftover IIPA, No Chill | All-Molasses Ale | BIAB Black IPA | BIAB Hoppy Stout | JAOM | RyePA
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Old 03-22-2011, 09:50 PM   #2
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Also, just tested it on my iPhone, and it works like a charm. SCORE!

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Quote:
Originally Posted by Homebrewtastic View Post
I think a more pertinent question is where is AB and Miller Coors getting all of their horse urine?
Primary: Belgian Pale Ale w. Brett | Saison | Mango Pulp Wine | Graff, 10 gal

Bottled / Kegged: Hopped Imperial Wheat | AK47 Pale Mild, BIAB | AHS 20th Anniv. IPA, No Chill | Apfelwein
Leftover IIPA, No Chill | All-Molasses Ale | BIAB Black IPA | BIAB Hoppy Stout | JAOM | RyePA
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Old 03-24-2011, 08:44 PM   #3
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Figured I'd bump this in case anyone missed it. I think it's a very useful tool for all of you BIAB brewers out there.

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Quote:
Originally Posted by Homebrewtastic View Post
I think a more pertinent question is where is AB and Miller Coors getting all of their horse urine?
Primary: Belgian Pale Ale w. Brett | Saison | Mango Pulp Wine | Graff, 10 gal

Bottled / Kegged: Hopped Imperial Wheat | AK47 Pale Mild, BIAB | AHS 20th Anniv. IPA, No Chill | Apfelwein
Leftover IIPA, No Chill | All-Molasses Ale | BIAB Black IPA | BIAB Hoppy Stout | JAOM | RyePA
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Old 03-25-2011, 02:03 AM   #4
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Hey man, just saw this will be putting it to use this weekend on my first all grain. I'm going to use a cooler for mashing. Quick question for strike temp, do you just go a couple deg higher than your mash temp since you are using such a high water to grain ratio?

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Old 03-25-2011, 02:09 AM   #5
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Thanks!

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Old 03-25-2011, 03:23 AM   #6
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Quote:
Originally Posted by ksparkes
Hey man, just saw this will be putting it to use this weekend on my first all grain. I'm going to use a cooler for mashing. Quick question for strike temp, do you just go a couple deg higher than your mash temp since you are using such a high water to grain ratio?
Yup, usually 3-4 degrees higher does the trick, but I can direct fire my mash since I mash in my kettle, so it's no big deal if I undershoot it.
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Quote:
Originally Posted by Homebrewtastic View Post
I think a more pertinent question is where is AB and Miller Coors getting all of their horse urine?
Primary: Belgian Pale Ale w. Brett | Saison | Mango Pulp Wine | Graff, 10 gal

Bottled / Kegged: Hopped Imperial Wheat | AK47 Pale Mild, BIAB | AHS 20th Anniv. IPA, No Chill | Apfelwein
Leftover IIPA, No Chill | All-Molasses Ale | BIAB Black IPA | BIAB Hoppy Stout | JAOM | RyePA
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Old 03-25-2011, 04:56 AM   #7
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I started out with a grain lb multiplier of .125 like you have in your calculator but it seemed to leave me with too much water. I have only done a few batches.

How many BIAB batches have you done? Has this constant held up pretty good for you? Is it linear or does it seem to absorb more as you get higher OG, requiring 15lb+?

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Old 04-11-2011, 03:18 PM   #8
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Thanks jbrookeiv!! I have been thinking of doing some small all grain batches and this is just what I was looking for

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Old 04-12-2011, 02:40 AM   #9
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BIAB absorption varies greatly due to how people handle the bag at the end of the mash. Letting the bag drip out means less absorption, and squeezing the hell out of it even less. I seem to be able to get it down to about 0.05 gal/lb if I squeeze the hell out of the bag when I'm done.

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Old 04-13-2011, 05:27 PM   #10
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Quote:
Originally Posted by Atvar View Post
BIAB absorption varies greatly due to how people handle the bag at the end of the mash. Letting the bag drip out means less absorption, and squeezing the hell out of it even less. I seem to be able to get it down to about 0.05 gal/lb if I squeeze the hell out of the bag when I'm done.
any problems with squeezing the hell out of the bag? .. I'd like to do that but I'm still scared to try it I guess ... I gave mine a very small squeez last time but I know I left some sugar in that bag ... thoughts?
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