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Old 12-16-2012, 10:42 PM   #11
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Next time, I will deduct a gallon from whatever the calculators say about the volume needed to mash 14 lbs of grain. What a pain in the arse to clean that up. I'd rather add sparge water than clean mash from the floor.

As for efficiency: I had figured the recipe for an efficency of 70% but hit much closer to 80. This is in-line with what the shopowner said to expect so I was pleasantly surprised.
Did you mill your own grain, and if not where did you buy your grain from? I'm sitting at 68% efficiency for this batch (And i've had alot worse in the past) but im curious on what you did.
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Old 12-16-2012, 10:44 PM   #12
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Next time, I will deduct a gallon from whatever the calculators say about the volume needed to mash 14 lbs of grain. What a pain in the arse to clean that up. I'd rather add sparge water than clean mash from the floor.

I liked not mucking about with the cooler and next time I'm going to find a grill grate to lay across the kettle. That should handily solve the problem.
Yes lessen learned, alway mash BIAB conservatively within your kettle limitations, say a 1/2 to 1 gallon low, then you can add hot or boiling water back in to reach the kettle limits at mashout time...

Yes, a grill grate, collander or even a mash paddle placed across the kettle rim makes it easier to take the weight of the bag while draining. Or just drop the bag in your cooler and collect those runnings later on...good luck on honing your process...other than the issues you descibed, the bag work OK for ya?

Simple strap to a hook in the cieling makes easy work even w/ huge grain bils...
http://www.harborfreight.com/set-of-...aps-67386.html
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Old 12-16-2012, 11:01 PM   #13
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So, here's how I make sure I can brew something:

A.) Use this calculator, set the absorption rate to .08, and make sure that "Total Water Needed" and "Mash Water Needed" are equal. You'll need to figure out your boil-off rate. Usually takes a couple brews.

B. Use the "Can I Mash It" calculator from this page filling in the appropriate values.

Example: Using the mash water calculator from A, 5 gallons, 10 lbs of grain, .08 absorption, and 10% boiloff rate, adjust the mash thickness value to 3.267%, leaving both Mash Water Needed and Total Water needed equal to 8.17 gallons of water.

Then, in the "Can I Brew It" calculator from B, enter 10 lbs grain, 3.267 for mash thickness, giving you the result "This mash will take up 8.97 gallons of space."

Edit: The absorption rate assumes you're squeezing your grains after the mash.

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Old 12-17-2012, 01:28 AM   #14
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Final thoughts for the night. HOLY CRAP what is all that sediment in the carboy and will it ever go away?!?!?!?

It was soley by chance that after it was in the fermentor it had cooled to exactly fermentation temp. So I pitched 2 rehydrated packs of US-05 and 2 hours later stuff is happening.

& To eulipion2 - Thanks for the effort. Those are the calculators I used and have been using for a while now. I figured from the Rackers site that 14 pounds of grain takes up 9.6 gallons of volume for 8.5 gallons of mash water. That figure was supposed to give me a bit of wiggle room, but it wasn't enough. Oh well, live and learn. I then went to Brew 365 to figure my strike temp for the 8.5 gallons. Brew 365 was spot on. I'll leave more room for error next time.

Seriously... What is with the sediment pile in the fermentor? I feel like I should have made 8 gallons at full strength and then pulled 5.5 clear gallons from the pot. WOW what a mess. We shall see I guess.

The bag held up fine. No tangible, chunky material got through and it stayed put. I like it! You should make these for coolers too.

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Old 12-17-2012, 01:39 AM   #15
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Sorry my usually calculator combo didn't work for you.

I tend to get a lot of sediment because I no-chill, so the break material coagulates as the wort chills in my cube. Otherwise, I would guess that maybe there's more protein in the kettle that doesn't get filtered out by the grain bed, and maybe that protein didn't coagulate and get left behind in the kettle, but for some reason came out after you racked to primary.

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Old 12-17-2012, 01:45 AM   #16
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Did you mill your own grain, and if not where did you buy your grain from? I'm sitting at 68% efficiency for this batch (And i've had alot worse in the past) but im curious on what you did.
As i noted before, I'm moving to BIAB after many normal batch sparge brews. So I visited my local home brew shop - Love2brew.com in New Brunswick NJ. They have been BIAB brewing on premises and know the process. They 'double crushed' the grains by running them through the mill twice. Ron W. one of the owners, said he's been getting 80% efficiency for 'regular' sized beers using a 70 min mash and 20 min mash out. they are great guys and will double crush and mail you your grain bill if you call them or use their website. love2brew.com

I think I need to look into a bigger kettle. 10gallons is somewhat marginal for big IPA via BIAB.
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Old 12-17-2012, 01:49 AM   #17
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I'm a big fan of the no chill process. I did a lot of brews that way and finally a copper immersion chiller fell into my hands. So now I chill. I can't say one is better than the other. I always did like how no-chill allows you to get the cleanest looking wort into a fermenter because it has had proper time to settle the hops, protiens, and sediment.

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Old 12-17-2012, 02:02 AM   #18
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Final thoughts for the night. HOLY CRAP what is all that sediment in the carboy and will it ever go away?!?!?!?
Yes agreed, BIAB does produce a much cloudier wort to the fermenter, but 4 weeks from now in the glass you will be pleased and not know the difference, all that protein will settle out w/ time.



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The bag held up fine. No tangible, chunky material got through and it stayed put. I like it! You should make these for coolers too.
Great, good news...I can do bags for coolers no problem...cheers!
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Old 12-17-2012, 03:16 AM   #19
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Originally Posted by Tykees

How do you ignore the westy 12! Good for you sir. How was it?

How do you ignore the westy 12! Good for you sir. How was it?[/QUOTE]

Honestly. Overrated. Not worth the hype.

And for what its worth, my biab bag in my picture was purchased from wilser brewer.
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Old 12-17-2012, 03:29 AM   #20
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If you didn't give yourself enough space for a mash-out infusion, you can always decoct by pulling out some wort, boiling it, and throwing it back in. You might even get a little extra malt complexity!

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