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Corn Mash Stopped Bubbling after 3 days
Rank: Junior Member Groups: Registered
Joined: 12/20/2012(UTC) Posts: 11
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"Hello,
I have 2- 5 gal buckets of corn mash fermenting. Used 3lbs flake corn, .5 lbs 6 row barley, and 4lbs cane sugar in each bucket. Added 48 turbo yeast. Started bubbling in about 2 hrs and was rocking for 3 days. Just stopped. Stirred it today, resealed and just a couple of bubbles. Should I leave it sit for a while or is this normal with turbo yeast?
Any thoughts are appreciated."
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Rank: Senior Member Groups: Registered
Joined: 1/24/2012(UTC) Posts: 630
Thanks: 1 times Was thanked: 13 time(s) in 13 post(s)
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did you check the starting and finishing SG ?
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Rank: Junior Member Groups: Registered
Joined: 12/20/2012(UTC) Posts: 11
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No, I did not. I have not ever and honestly do not know how. Probably should read more about SG and PH.
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Rank: Senior Member Groups: Registered
Joined: 1/27/2012(UTC) Posts: 526
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The bubbles that came off after you stirred it were probably co2 bubbles being released from the stirring. If you don't have the beginning and ending SG then stick a clean spoon in it and see if it tastes sweet or dry, most likely it will be dry. Turbo 48 usually will work itself out in three or four days at the right temp.
Let it sit for 2 or 3 days in a cold area to clear, thats a relative term it never gets as clear as water. Then rack it off the traub, sediment, either into the boiler for cooking or into a secondary to clear some more before cooking.
I will usually rack mine into a secondary to settle for a few more days in the cold or use Sparkalloid, a clearing agent found at most brew shops. Sparkalloid clears my washes in about 24 hours if left someplace cold.
I'm a believer in clearing the wash/mash before running. In my opinion it turns out a better cleaner tasting product with less off flavors. Tho some folks pour it into the cooker after it stops working and settles out somewhat. It's a matter of opinion and taste, to each his own.
Oh yeah, get an SG meter and an Alcohol meter. They come in mighty handy.
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Rank: Junior Member Groups: Registered
Joined: 1/24/2013(UTC) Posts: 74
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Originally Posted by: Bushy
Oh yeah, get an SG meter and an Alcohol meter. They come in mighty handy. +1 on Bushy's post especially the SG and Alcometer...1 determines alcohol percent of your wash - the other shows abv - respectively
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Rank: Junior Member Groups: Registered
Joined: 12/20/2012(UTC) Posts: 11
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Bushy, thanks for the info. I will invest in a SG meter and report with details. Thanks for the info.
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Rank: Senior Member Groups: Registered, Moderator Joined: 4/14/2010(UTC) Posts: 1,666
Was thanked: 15 time(s) in 15 post(s)
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" Originally Posted by: Ace Hello,
I have 2- 5 gal buckets of corn mash fermenting. Used 3lbs flake corn, .5 lbs 6 row barley, and 4lbs cane sugar in each bucket. Added 48 turbo yeast. Started bubbling in about 2 hrs and was rocking for 3 days. Just stopped. Stirred it today, resealed and just a couple of bubbles. Should I leave it sit for a while or is this normal with turbo yeast?
Any thoughts are appreciated. I just noticed something....you said, I used 48 hour Turbo yeast, and it was rocking for 3 days,(uhhhh thats 72 hours) Its a 48 hour Turbo yeast ............... ............think about it---it'll come to you. Sorry thats just my attempt at humor. And if you gave her a good stir you prolly should let it resettle."
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Rank: Junior Member Groups: Registered
Joined: 1/17/2013(UTC) Posts: 67
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Actually turbos will go 5 to 6 days..if you read the package it says (roughly guessing) 14 abv in 48 hours..23 in 5 to 7 days..But that requires up to 15plus lbs of sugar.
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Rank: Senior Member Groups: Registered, Moderator Joined: 4/14/2010(UTC) Posts: 1,666
Was thanked: 15 time(s) in 15 post(s)
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True enough but he said he used 4 lbs of sugar. A turbo should eat through that in 36 hours or less fo sho.....know what I mean??
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Rank: Senior Member Groups: Registered, Moderator Joined: 4/14/2010(UTC) Posts: 1,666
Was thanked: 15 time(s) in 15 post(s)
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I'm not saying you are wrong or he did anything wrong but he asked why it stopped in 3 days.....4 lbs of sugar and a turbo yeast the answer!!!!
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Rank: Junior Member Groups: Registered
Joined: 12/20/2012(UTC) Posts: 11
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Hello all,
I appreciate the info. Ran everything and got okay production. Just a little disappointed. 7 gal of mash and only got 3 qts. All 70%. So now I'll add more sugar. Guess that 48 hr turbo burns thru the sugar. Good to know and add that to my knowledge base. LOL! Just thought the flake corn with the barley would convert better and provide more sugar. Making a new mash, adding more sugar, and will let you know if it makes a difference. I love this hobby.. Can't think of a better way to spend my time...
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Rank: Newbie Groups: Registered
Joined: 1/16/2013(UTC) Posts: 7
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Ace, was not clear if you heated the corn and other ingredients to extract the sugar or not? I assume you would but want to be clear. Have not worked with flaked corn yet and will start and assume it is treated the same as all other grains. Also, if you did not and it should be I don't want you or me to waste any more. I've only run 8-10 so I'm new also.
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Rank: Junior Member Groups: Registered
Joined: 12/20/2012(UTC) Posts: 11
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Forrest, yeah I heated to 165 for a while then reduced to 153, added the barley and cooled to 90. Added the yeast. Started bubbling like a boiling pot in about 3 hrs. Stayed that way for just about 2.5 days. Then completely stopped. Great tasting but like I said was dissappointed with quantity. Im gonna try another with more sugar and see how it does. First time I used flaked, I have used corn meal before and it was messy. Flaked is really easy to work with, but I have to figure out the ingredient amounts to produce better quantity. All the suggestions are appreciated cause there is a lot of wisdom here and everyone is quick to provide assistance.
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Rank: Newbie Groups: Registered
Joined: 1/16/2013(UTC) Posts: 7
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Ace, a co-worker of mine is a brew judge and home brewer. He told me he likes to heat to about 155 range up or down 5 for 60-90 minutes.
Also, I'm learning but once you get your Hydrometer and Alcometer you can play around more with your quantity of grains. For my 6-6.6 gallons to ferment I have run one with like 20lbs of grains for an Irish type whiskey. So if you have 2-5 gallon pails with that amount it may be on the light side. I know that sugar alone adds like 46 point on the Hydrometer per gallon. And grains are like 37 or so. Adding all that up and dividing out into 10 gallons would leave a lower SG and light on the alcohol. Calculating that is new to me but I'm learning a little at a time and trying to document it for next time.
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Corn Mash Stopped Bubbling after 3 days
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