![]() ![]() #BEERSMITH BIAB FULL#For this application of a bag as the filter, I would promote the designation as MIAB (mash in a bag) to differentiate it from the full volume concept of the original. This does mean that you need to change the standard grain absorption constant (which I agree with PeeBee and others that it should be more appropriately designated in the equipment profile) to match the values you calculate using your bag as a filter in your process. For this to work in BeerSmith, you need to forget that you are using a bag to filter the grains and just consider your process as a standard mash set up. Over the years, people recognized the advantage of using a bag as the mash filter in conventional mashing and including the bag in a more traditional mash/sparge schedule. This really goes back to the original design and definition of BIAB method as developed by the Australians. I have been confused by that setting, as well as "Mash Tun Weight" and "Tun Specific Heat", but it it seems that these values do not matter if the "Adjust" option is unchecked.Īs I stated above, the BIAB setting in BeerSmith refers only to a full volume mash with no sparge step. The suggestion from the Brulosophy video to uncheck "Adjust Temp for Equipment" seems like a good idea that I will play with. I then note the total water volume (usually around 7.5 gal) and tweak the "Water/Grain Ratio" so that I have 2 to 3 gals of sparge water. I have "Drain Tun Before Sparge" unchecked, but I don't know what impact that has. I uncheck "Use Equal Batches", but that should not matter. With that change made, I then have had the best luck setting the process to look like I am doing a Fly Sparge (with BIAB unchecked and Batch Sparge unchecked). This likely varies based on your process and crush size. ![]() Before I did this change, I had an extra 0.5 gal of water in my kettle. I changed these both to 0.4 fl oz/oz to match what I measured (which was 0.5 gal for 10 lbs of grain). At least in the Mobile version, there are values "Grain Absorption" and "BIAB Grain Absorb". #BEERSMITH BIAB SOFTWARE#The software seems to be lacking a feature or two to make this fairly common practice easier.Īs mentioned by Oginme, I found I had to tweak my Grain Absorption default values. I am using the Mobile version, but I think the basic features are about the same. I have been working to tune BeerSmith 3 to support BIAB with a sparge. ![]()
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