Recipe reduction for 7,6 gallons pot BIAB

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aleksander9

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Hello, im new to these forums! :rockin: :ban:

I recently bought a Bielmeier 7,6 gallons pot for Boil in bag brewing. Im having a hard time figuring out whats my max boil size with grains.

Im using this recipe:

Title: Tank 7 Clone

Brew Method: All Grain
Style Name: Saison
Boil Time: 60 min
Batch Size: 5.5 gallons (fermentor volume)
Boil Size: 7.5 gallons
Efficiency: 70% (brew house)

STATS:
Original Gravity: 1.074
Final Gravity: 1.016
ABV (standard): 7.56%
IBU (tinseth): 37.25
SRM (morey): 6.27

FERMENTABLES:
12 lb - Pale Ale (77.9%)
3 lb - Flaked Corn (19.5%)
0.4 lb - White Wheat (2.6%)

HOPS:
0.2 oz - Magnum (AA 15) for 60 min, Type: Leaf/Whole, Use: Boil
0.21 oz - Simcoe (AA 12.7) for 45 min, Type: Leaf/Whole, Use: Boil
4 oz - Amarillo (AA 8.6) for 5 min, Type: Leaf/Whole, Use: Boil

MASH STEPS:
1) Sparge, Temp: 152 F, Time: 60 min

YEAST:
Wyeast - Belgian Saison 3724
Starter: No
Form: Liquid
Attenuation (avg): 78%
Flocculation: Low
Optimum Temperature: 70 F - 95 F

Note: Im using 13 lbs pale ale instead of 12 lbs to get a better brewing Efficiency.
Any thoughts on this?


What is the maximum boil size for my pot with this recipe?

I have learned so much from reading these forums. I hope i get as much great feedback as i normally read here. :)
 
aleksander9 said:
Hello, im new to these forums! :rockin: :ban:

I recently bought a Bielmeier 7,6 gallons pot for Boil in bag brewing. Im having a hard time figuring out whats my max boil size with grains.

Im using this recipe:

Title: Tank 7 Clone

Brew Method: All Grain
Style Name: Saison
Boil Time: 60 min
Batch Size: 5.5 gallons (fermentor volume)
Boil Size: 7.5 gallons
Efficiency: 70% (brew house)

STATS:
Original Gravity: 1.074
Final Gravity: 1.016
ABV (standard): 7.56%
IBU (tinseth): 37.25
SRM (morey): 6.27

FERMENTABLES:
12 lb - Pale Ale (77.9%)
3 lb - Flaked Corn (19.5%)
0.4 lb - White Wheat (2.6%)

HOPS:
0.2 oz - Magnum (AA 15) for 60 min, Type: Leaf/Whole, Use: Boil
0.21 oz - Simcoe (AA 12.7) for 45 min, Type: Leaf/Whole, Use: Boil
4 oz - Amarillo (AA 8.6) for 5 min, Type: Leaf/Whole, Use: Boil

MASH STEPS:
1) Sparge, Temp: 152 F, Time: 60 min

YEAST:
Wyeast - Belgian Saison 3724
Starter: No
Form: Liquid
Attenuation (avg): 78%
Flocculation: Low
Optimum Temperature: 70 F - 95 F

Note: Im using 13 lbs pale ale instead of 12 lbs to get a better brewing Efficiency.
Any thoughts on this?

What is the maximum boil size for my pot with this recipe?

I have learned so much from reading these forums. I hope i get as much great feedback as i normally read here. :)
Click to expand...

You will not be able to brew this recipe BIAB in a 6 gallon pot.

Assuming a mash of 1.25qts/lb you will need to mash in with 5.15gallons of water. The water + the grain will not fit in your pot:(
 
You will need to sparge more water in another pot and maybe end up with a little less volume. I would scale the recipe down a little maybe make 4 - 4.5 gallon batch instead. I use the excel sheet from the website below and it works great for the volume the grain and water will take up. If you squeeze the bag you can use a little less water than if you don't. I squeeze the bag a lot and have my absorption set to .08

http://www.homebrewfinds.com/2012/03/start-all-grain-brewing-for-4-water.html
 
Batch Size 4.069 gal Boil Size 5.319 gal
Boil Time 60.000 min Efficiency 70%
OG 1.072 FG 1.016
ABV 7.3% Bitterness 35.7 IBU (Tinseth)
Color 6.4 srm (Morey) Calories (per 12 oz.) 237
Fermentables

Total grain: 11.281 lb
Name Type Amount Mashed Late Yield Color
Briess - Pale Ale Malt Grain 9.000 lb Yes No 80% 3.5 srm
White Wheat Malt Grain 4.500 oz Yes No 86% 2.0 srm
Corn, Flaked Grain 2.000 lb Yes No 80% 1.0 srm
Hops

Name Alpha Amount Use Time Form IBU
Magnum 13.5% 0.145 oz Boil 60.000 min Pellet 7.4
Simcoe 13% 0.153 oz Boil 45.000 min Pellet 6.9
Amarillo 9.5% 3.000 oz Boil 5.000 min Pellet 21.4
Yeast

Name Type Form Amount Stage
Wyeast - Belgian Saison Ale Liquid 0.528 cup Primary
Mash

Name Type Amount Temp Target Temp Time
BIAB Infusion 6.250 gal 159.000 F 152.000 F 60.000 min
 
I used to biab in a 7.5 gallon pot and would max out around 12 lbs of grain with a batch sparge rather than mashing at full volume as some do with biab. Right now you've got 16 lbs of grain so to fit my pot I would have reduced it by a quarter (is your pot 7.6? If so that's pretty much the same). The hop amounts will be easier to reduce if you convert to grams. Since a 7.5 gallon pot is pretty small for a 6-7 gallon boil I use fermcaps and watch pretty close to avoid boil overs. Occasionally I have to boil my wort down to fit it all in the pot.
 
This will max out a 7 gallon pot full volume. You could always dunk sparge in another smaller pot then boil. I wasn't sure if you had a 7 or 6 gallon pot. You should download brewtarget (it's free) and you can enter any recipe and scale it down to whatever size you want under the tools menu.
 
a quick update.
The recipe reduction beernut gave suited my pot perfectly! Thank you! OG was low, only 1.68(expected 1.72). So i am going to ferment it a little lower to 1.10ish.
The beer has now been fermenting for three weeks. The saison yeast(wlp565) stalled after 4-5 days at 1.23. I added some Californian ale yeast (wlp001) after 14 days and it started fermenting again. It is now down to 1.18 (three weeks) and still fermenting.
The sample is excellent. Smells nice of citrus and hops. It tastes Saison spice and hops and aftertaste of some nice maltiness.
 

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