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Afrimill

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  • #16
    Probably the different malt then. Pretty happy with my results so far though.


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    • #17
      Originally posted by Mouter View Post
      Probably the different malt then. Pretty happy with my results so far though.


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      I dont think so.
      You should get ± 1.045 from 4.4kg malt on a 23L batch.
      Your settings predicted 1.039, yet I do get 0.045 on my side when i select Belgian pale

      I think make a copy of you recipe and update your equipment profile. Start with a 75% BH effiecency and work from there.

      Did you do a "dry-run" with just water on your system to calculate boil-off numbers etc so you could setup BS beforehand ?
      The Problem With The World Is That Everyone Is A Few Drinks Behind.!

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      • #18
        Originally posted by JIGSAW View Post
        I dont think so.
        You should get ± 1.045 from 4.4kg malt on a 23L batch.
        Your settings predicted 1.039, yet I do get 0.045 on my side when i select Belgian pale

        I think make a copy of you recipe and update your equipment profile. Start with a 75% BH effiecency and work from there.

        Did you do a "dry-run" with just water on your system to calculate boil-off numbers etc so you could setup BS beforehand ?
        With all due respect; I don’t have time or an appetite for dry runs.
        I used Viking malt from Beerplus.
        I changed the BH efficiency in my equipment profile but the results stayed the same. Let’s see how the brew comes out. All things being said that’s what matters to me (and why I do this).


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        • #19
          Afrimill

          Originally posted by JIGSAW View Post
          I dont think so.
          You should get ± 1.045 from 4.4kg malt on a 23L batch.
          Your settings predicted 1.039, yet I do get 0.045 on my side when i select Belgian pale
          The diastatic power of Belgian pale is only 60 in BS. I can’t find the diastatic power of Viking pale, but wouldn’t it yield a higher SG if it had a significantly higher diastatic power? Or does that only influence fermentability?


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          Mouter
          Senior Member
          Last edited by Mouter; 5 October 2020, 08:12.

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          • #20
            Looks like your BIAB predicted mash eff is set to 66% .. hence 4.4kg of pale ale (ppg 38) will calculate 1.039 (I got 1.040 on my software). If I up the predicted mash eff to 86% then I get 1.052

            As it seems to me, you need to adjust your predicted mash eff to what you think it will come to - then you'll be able to pin point your mashing/brewhouse setup.

            My software mashing eff is set to 75% which is a good average. Sometimes I get a higher OG .. sometimes lower.
            Also make sure your 4.4kg is accurate .. making it say 4.6kg will up your SG readings as well.
            AlexBrew
            Senior Member
            Last edited by AlexBrew; 5 October 2020, 09:41. Reason: correction in numbers

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            • #21
              Originally posted by AlexBrew View Post
              Looks like your BIAB predicted mash eff is set to 66% .. hence 4.4kg of pale ale (ppg 38) will calculate 1.039 (I got 1.040 on my software). If I up the predicted mash eff to 86% then I get 1.052

              As it seems to me, you need to adjust your predicted mash eff to what you think it will come to - then you'll be able to pin point your mashing/brewhouse setup.

              My software mashing eff is set to 75% which is a good average. Sometimes I get a higher OG .. sometimes lower.
              Also make sure your 4.4kg is accurate .. making it say 4.6kg will up your SG readings as well.
              Thanks, I’ve set my efficiency to 75% now too. I think because I mill quite fine (which works with BIAB) and I sparge the bag in a bucket (my system is described on the Sparging BIAB thread) I’m getting good efficiency.
              I used our digital kitchen scale to measure the malt. I can’t think it can be out by that much.


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              • #22
                My efficiency is currently in the low 90's when making my regular beers. It's insane. 3.5kg of malt and I usually hit the 1.046 mark in around 21l. It's pretty nice, and consistent, but varies wildly once I start making larger batches with more malt. The more the malt, the lower my efficiency (obviously), so keep that in mind as well.

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                • #23
                  [QUOTE=Mouter;30506]The diastatic power of Belgian pale is only 60 in BS. I can’t find the diastatic power of Viking pale, but wouldn’t it yield a higher SG if it had a significantly higher diastatic power? Or does that only influence fermentability?

                  I have Viking Pale as 76.
                  You need a total of over 30 for all the grains in the mash to have enough diastatic power to convert starch to sugar. The lowest I have gone is 45 with a Wit I brewed.
                  PPG is the main one that will contribute to the SG.
                  Everyone must beleive in something, I beleive I'll have another beer

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                  • #24
                    I believe a lower DP will still do a conversion, it will just take significantly longer.

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                    • #25
                      86% on Viking with BIAB? No chance.

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                      • #26
                        Originally posted by jakeslouw View Post
                        86% on Viking with BIAB? No chance.
                        I agree not likely.
                        Everyone must beleive in something, I beleive I'll have another beer

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                        • #27
                          Originally posted by jakeslouw View Post
                          86% on Viking with BIAB? No chance.
                          Where did I screw up on BeerSmith then? I’ll test the kitchen scale I used with items with know weight to see if that could have given me such a significant under measurement, but judging by how easily the bag stirred and how full it was compared to previous grain bills supplied by HB stores I don’t think that was the case.


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                          • #28
                            It's really simple. Post the:

                            1. Grain Bill
                            2. Total Volume Into Kettle
                            3. Total Volume Into Fermenter

                            You can use online calculators to work it out.

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                            • #29
                              Originally posted by Toxxyc View Post
                              It's really simple. Post the:

                              1. Grain Bill
                              2. Total Volume Into Kettle
                              3. Total Volume Into Fermenter

                              You can use online calculators to work it out.
                              just post the recipe in .bmt format

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                              • #30
                                Originally posted by Toxxyc View Post
                                It's really simple. Post the:

                                1. Grain Bill
                                2. Total Volume Into Kettle
                                3. Total Volume Into Fermenter

                                You can use online calculators to work it out.
                                I get the same efficiency using Brewersfriend. I checked our kitchen scale too and it’s accurate.



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