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Old 02-24-2013, 02:29 PM   #21
tre9er
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Ok, I think I have a plan in place. I added accurate numbers into the brew365 calculator and it's coming up with total water needed of 12.05, 6.65 gallons for mashing and 5.40 for sparging.

Since I'm pretty sure my effeciency is going to suck with this many grains, I'm going to mash with 9 gallons without a sparge. Then I'll make the needed adjustments with DME to get my gravity up.

Then since there will be so many residual sugars still in the mash tun, I'm going to make a second brew. With the grain bill already in the mash, I think I can get a nice brown ale out of it. So, I pound an extra pound of cystral 20 and .25 pound of chocolate malt. I'll add the fresh grain on top of the grain bed in the tun, remash with more water, then do a second boil. I bought 2 oz. of Willamette hops for the boil. Plan to do a 60 min boil with 1 oz and finish with the other oz.

Hopefully, fingers crossed, I get two nice beers out of this. Heck, I think I may even like the second beer more.

Brew Day is tomorrow. I'll post pictures.
What's your batch size? That's a lot of water for 5 gallons. I use about 13.2 for a 9 gallon batch
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Open log Fermenting and gas-can secondary?? I am planning my next brew right now!!
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Old 02-24-2013, 03:01 PM   #22
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Sorry, I should have clarified. That's too much water for the 5 gallon batch I'm planning on, so I'm going to mash with a full 9 gallons and won't be sparging. I'm planning on 2 gallons of absorption with this amount of grain. My effeciency won't be good so I'll add some DME to get the target gravity. I learned the formula for figuring how much DME I'll need during that all-grain class I went to yesterday.

After I get the first batch in the primary, I'm going to add the 1.25 lbs. of extra grain to the grain bed in the mash tun and get that brown ale going. I think I can a get 4 or 4.5 gallon batch out of that.

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Old 02-24-2013, 05:13 PM   #23
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2g sounds right for absorption. 7g boil probably brings you to 5.5 after evaporate and trub loss. I doubt you boil off much more than a gallon per hour

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Open log Fermenting and gas-can secondary?? I am planning my next brew right now!!
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Old 02-24-2013, 06:48 PM   #24
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You're right on the money. Just started a 7g boil. My efficiency sucked as expected. Target OG was 1.082 and we got 1.048. I only had two lbs. of DME which I ended all of, but it won't be enough to get the 9 or 10% abv. I'm okay with that though. The good news is there are plenty of residual sugars there for my second brew.

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Old 02-24-2013, 11:11 PM   #25
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You're right on the money. Just started a 7g boil. My efficiency sucked as expected. Target OG was 1.082 and we got 1.048. I only had two lbs. of DME which I ended all of, but it won't be enough to get the 9 or 10% abv. I'm okay with that though. The good news is there are plenty of residual sugars there for my second brew.
Yeah, without a sparge you'll have low efficiency, unless you recirc with a pump, etc
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Old 02-25-2013, 12:21 PM   #26
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1.33qts/lb. with 21lbs. of grain is 8.66g total displacement. Your cooler is much larger than that. I'm lost...?
21 lbs of milled grain is about 5 gal volume plus the 8.5 gallons of water to mash = 13.5 gallons of displacement (the grain absorbs the water as you mash in thus reducing this slightly). 52 qt cooler = 13 gallons. Thus if you have a 13 gal cooler you won't be mashing much over 21 lbs of grain in it at once.
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Old 02-25-2013, 08:23 PM   #27
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21 lbs of milled grain is about 5 gal volume plus the 8.5 gallons of water to mash = 13.5 gallons of displacement (the grain absorbs the water as you mash in thus reducing this slightly). 52 qt cooler = 13 gallons. Thus if you have a 13 gal cooler you won't be mashing much over 21 lbs of grain in it at once.
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My mash cooler is also 52 qt. I can mash up to about 21 lbs of grains at 1.33qt/lb...any more than that and the cooler about overflows.
21*1.33=27.93qts.
27.93/4qts per gallon=6.9825
According to http://www.rackers.org/calcs.shtml (can I mash it tool) the total displacement for 1.33qts/lb and 21lbs. of grain is 8.66gallons.

I just didn't see how that was close to 13 gallons.

I know that 20lbs of grain takes up about 3-4 gallons in my 5g bucket, but you have to consider the spaces between that grain, etc. that water will fill in.
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Open log Fermenting and gas-can secondary?? I am planning my next brew right now!!
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Old 05-31-2013, 09:53 PM   #28
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Just out of curiosity, how did it go? I'm getting ready for my 1st all grain soon and am looking for what to look for.

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