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BIAB, missing target SG
  • JerryJerry
    Posts: 70,697
    This discussion was created from comments split
    In bacteria there is wisdom.
    In beer there is water.
    In freedom there is wine.
  • BenvarineBenvarine
    Posts: 1,606
    Hey guys. I'm in the midst of my first all grain BIAB session. I'm finished with 90 min mash and am heating up. I checked gravity and I'm at 1.012. My starting gravity before pitching should be 1.047. Should I expect that to rise as I boil off about two gallons?
  • frydogbrewsfrydogbrews
    Posts: 44,679
    i wouldn't think that much.

    you do iodine test?
  • BenvarineBenvarine
    Posts: 1,606

    i wouldn't think that much.

    you do iodine test?



    No.
  • BenvarineBenvarine
    Posts: 1,606
    I hit all temps well and it only dropped two degrees over 90 min.
  • frydogbrewsfrydogbrews
    Posts: 44,679
    well, when done if your FG is still low, kick that shit up with some honey
  • frydogbrewsfrydogbrews
    Posts: 44,679
    was the grain old?:
  • frydogbrewsfrydogbrews
    Posts: 44,679
    or poorly crushed
  • BenvarineBenvarine
    Posts: 1,606
    I'm planning honey actually, about 12 oz at flame out. I wonder how many points that adds? It was entered and accounted for in BeerSmith.
  • BenvarineBenvarine
    Posts: 1,606
    Grain is newly bought from store. I ground it at the store too.
  • frydogbrewsfrydogbrews
    Posts: 44,679
    points shmoints! just add three pounds and move on!
  • frydogbrewsfrydogbrews
    Posts: 44,679
    that's what i do
  • BenvarineBenvarine
    Posts: 1,606

    points shmoints! just add three pounds and move on!



    Three lbs? Nice. I'm just wondering if I should add some DME.
  • frydogbrewsfrydogbrews
    Posts: 44,679
    Benvarine said:

    points shmoints! just add three pounds and move on!



    Three lbs? Nice. I'm just wondering if I should add some DME.

    i'm too far gone to give good advice, other than the three pounds. that's for real.
  • frydogbrewsfrydogbrews
    Posts: 44,679
    i won't add honey unless its at least thre pounds
  • FuzzyFuzzy
    Posts: 45,614
    Benvarine said:

    points shmoints! just add three pounds and move on!



    Three lbs? Nice. I'm just wondering if I should add some DME.


    add it at flame out to make up whatever gravity points you lost due to efficiency.
    "Oh, you were serious? I was drunk."-C_B
  • C_BC_B
    Posts: 76,217
    Benvarine said:

    Hey guys. I'm in the midst of my first all grain BIAB session. I'm finished with 90 min mash and am heating up. I checked gravity and I'm at 1.012. My starting gravity before pitching should be 1.047. Should I expect that to rise as I boil off about two gallons?



    That far off is no bueno. Something has to be wrong. Mash temp, gravity reading, something.
    "On it. I hate software." ~Cpt Snarklepants
  • BenvarineBenvarine
    Posts: 1,606

    Benvarine said:

    points shmoints! just add three pounds and move on!



    Three lbs? Nice. I'm just wondering if I should add some DME.


    add it at flame out to make up whatever gravity points you lost due to efficiency.


    How do I figure how much to add?
  • FuzzyFuzzy
    Posts: 45,614
    C_dubbs said:

    Benvarine said:

    Hey guys. I'm in the midst of my first all grain BIAB session. I'm finished with 90 min mash and am heating up. I checked gravity and I'm at 1.012. My starting gravity before pitching should be 1.047. Should I expect that to rise as I boil off about two gallons?



    That far off is no bueno. Something has to be wrong. Mash temp, gravity reading, something.


    i'm inclined to say it's an issue with sparging.
    "Oh, you were serious? I was drunk."-C_B
  • FuzzyFuzzy
    Posts: 45,614
    Benvarine said:

    Benvarine said:

    points shmoints! just add three pounds and move on!



    Three lbs? Nice. I'm just wondering if I should add some DME.


    add it at flame out to make up whatever gravity points you lost due to efficiency.


    How do I figure how much to add?


    what is your expected volume and gravity post boil at this point?
    "Oh, you were serious? I was drunk."-C_B
  • frydogbrewsfrydogbrews
    Posts: 44,679
    Benvarine said:

    Benvarine said:

    points shmoints! just add three pounds and move on!



    Three lbs? Nice. I'm just wondering if I should add some DME.


    add it at flame out to make up whatever gravity points you lost due to efficiency.


    How do I figure how much to add?


    uhhhh.....hello.....i already said 3 pounds
  • BenvarineBenvarine
    Posts: 1,606

    C_dubbs said:

    Benvarine said:

    Hey guys. I'm in the midst of my first all grain BIAB session. I'm finished with 90 min mash and am heating up. I checked gravity and I'm at 1.012. My starting gravity before pitching should be 1.047. Should I expect that to rise as I boil off about two gallons?



    That far off is no bueno. Something has to be wrong. Mash temp, gravity reading, something.


    i'm inclined to say it's an issue with sparging.


    No sparging. BIAB. I raised temp from 150 to 162 before pulling the bag. Heated slowly, took about 15 minutes. Two thermometers. Should I add DME?
  • C_BC_B
    Posts: 76,217

    C_dubbs said:

    Benvarine said:

    Hey guys. I'm in the midst of my first all grain BIAB session. I'm finished with 90 min mash and am heating up. I checked gravity and I'm at 1.012. My starting gravity before pitching should be 1.047. Should I expect that to rise as I boil off about two gallons?



    That far off is no bueno. Something has to be wrong. Mash temp, gravity reading, something.


    i'm inclined to say it's an issue with sparging.


    BIAB right? He should get 80% of projected fermentables without rinsing the grain at all.
    "On it. I hate software." ~Cpt Snarklepants
  • BenvarineBenvarine
    Posts: 1,606
    Expected volume 6.5 gallons. 1.047
  • FuzzyFuzzy
    Posts: 45,614
    Benvarine said:

    C_dubbs said:

    Benvarine said:

    Hey guys. I'm in the midst of my first all grain BIAB session. I'm finished with 90 min mash and am heating up. I checked gravity and I'm at 1.012. My starting gravity before pitching should be 1.047. Should I expect that to rise as I boil off about two gallons?



    That far off is no bueno. Something has to be wrong. Mash temp, gravity reading, something.


    i'm inclined to say it's an issue with sparging.


    No sparging. BIAB. I raised temp from 150 to 162 before pulling the bag. Heated slowly, took about 15 minutes. Two thermometers. Should I add DME?


    i see. there are biab techniques that do include sparging. they increase the mash efficiency quite a bit.
    "Oh, you were serious? I was drunk."-C_B
  • FuzzyFuzzy
    Posts: 45,614
    Benvarine said:

    Expected volume 6.5 gallons. 1.047



    and you're at 1.012 now with 6.5 gallons?
    "Oh, you were serious? I was drunk."-C_B