BIAB Recipe Calculator Configuration

Discussion in 'Recipe Editor' started by JustBrewIt, Jul 14, 2019.

  1. JustBrewIt

    JustBrewIt New Member

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    So I have been brewing for many years, the last 7 mostly on my 3 kettle system, but, I do sometimes brew a batch BIAB and have tried several times to setup a equipment profile for BIAB but have never had any luck. How do I add a equipment profile for BIAB so that it will show me my total water requirement for my full volume mash? I always end up calculating my water requirement outside of Brewer's Friend. I can't believe Brewer's Friend doesn't just have a flag you set for BIAB and it then just adds the fields to the recipe for water requirements. Such a simple thing but I can't seem to find it. :(
     
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  2. Trialben

    Trialben Well-Known Member

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    You can select different equipment profiles before you brew depending if your going Biab or 3v but you have to set them profiles up first.
    I'm sure you can toggle from "all grain" to "Biab" settings in recipie tool too. Screenshot_20190715-054732_Samsung Internet.jpg
     
  3. JustBrewIt

    JustBrewIt New Member

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    I believe I did this, I seen the BIAB profile selection, however after changing it I still don't see the field that changes a total water volume based on how much grain you add and your desired preboil or post boil volume. For BIAB, you should enter your desired preboil volume and it should give you your total water needed based on grains, grain volume and temperature. I don't see this number anywhere even after selecting BIAB as a new equipment profile. Have you used BIAB in brewers friend or are you just guessing?


     
  4. Trialben

    Trialben Well-Known Member

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    No not at all I've used the equipment profile to load in all my losses working backwards from my desired final fermentor volume of 21lt. as always every system is different and we have different losses depending on our equipment and choises we make in the brewing process. My first loss along the line before transferring chilled wort to fermentor is my dead space under my pick up outlet in kettle that .5lt next is hop absorbtion which ive left at brewersfriend pre set. then it's boil off I'm an electric Biab rig and at 2400whatt 60 min boil in a used 50lt keg is about 1.5 - 2 it depending on weather mostly wind. Then it's grain absorbtion I squeeze the bag a bit but don't throttle it these days so I record a lesser loss than you would in a 3v system. What next well any liquid left in pump and pipework and miniscule gravity amounts and tastings through the day.

    After about 3 brews and adjusting losses in water profile I can almost dead set know I'm going to get within 500ml my desired pre boil if not meh add some water or just package less and take notes and adjust next brew;).
    This'll prove me wrong lol
    Screenshot_20190715-153213_Samsung Internet.jpg
     
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  5. Craigerrr

    Craigerrr Well-Known Member

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    I am pretty sure that the developers are working on automating water volumes more. Currently as I see it, you have to do some manual entries to suit your system, and process. One thing the software could never take into account though is if you squeeze your bag, how hard you squeeze it, and what the resulting effect is on volume.

    I think that there have to be some manual work arounds to keep your brain working.

    Just my 0.02 worth
     
  6. thunderwagn

    thunderwagn Well-Known Member

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    There are work arounds, but I agree with you 100% BF is seriously lacking in the BIAB department. I've always reverted back to @Pricelessbrewing and his software when I've done BIAB. I think it's to bad with everything bf offers, how largely overlooked the BIAB piece is.
     
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  7. Mark Farrall

    Mark Farrall Well-Known Member

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    After a bit of testing and posts on related threads I see this as one of those tricky areas that looks relatively simple, but spills out into a whole series of why don't you just add... questions. I'm just using the quick water requrements to get the strike water for the full volume and don't mind it too much.
     
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  8. Ozarks Mountain Brew

    Staff Member

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    The BIB setting only accounts for full water no sparging, so if you want to sparge just pick all grain
     
  9. Trialben

    Trialben Well-Known Member

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    Yep this is what I do every brew and it's in the money.
     
  10. Craigerrr

    Craigerrr Well-Known Member

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    When I did BIAB I reserved some water for a pour over sparge, I just added the sparge to the recipe, and edited the volumes manually. I mainly did this due to the size of my kettle at the time.
     
  11. Pricelessbrewing

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    Grain absorption rate is a variable that can be set in the system, I think having two suggest starting values . The most typical values are 0.125 gal/lb for mashtuns, and 0.08 gal/lb for BIAB with a decent squeeze. Some may go lower down to 0.065 with a super hard squeeze, or a squeezing mechanical advantage system, or higher if you just hang it and don't let it drain all the way maybe 0.09 gal/lb.

    At the moment, like @thunderwagn said I have software that will calculate all your water volumes, temperatures, and do some efficiency predictions based on simulations on wort dilution that line up with Braukaisers findings. If you want to override my predictions and let it calculate based on a static Brewhouse efficiency (like brewersfriend, beersmith and all the other software does) that's an option too.

    I do believe the devs are working on updating the water volumes in the beta version right now, which is great to see. IMO it's the #1 thing missing basic feature in brewersfriend.
     

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