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It's an issue with the default value, but you can adjust it. As far as I can tell, it's just a coefficient or percentage with respect to a 60 minute boil. So a value of 100 for first wort will be equal to the ibus for a 60 minute boil addition. The default value is 100x100, probably incorrectly...

I don't see a way to create or change the equipment profile in the demo at least, and not really interested in signing up. The inability to change the equipment, and the inability to change the boil volume, means I would never be able to use this. I didn't validate the calculations, but the...

Just putting my two cents in, my software has both dynamic thermal expansion, and gravities for every volume (first/second runnings, pre/post boil).

Skewed perspective as I have my own software, and I also work for brewersfriend. Personally, I hate sliders aka range input type for any sort of numeric input. For a subjective input it's fine, but for a detail like batch size or boil time, or efficiency, that should just be a simple numerical...

First definitions, Batch size is the total volume into the fermenter. This should be equal to post boil volume - kettle losses. For the sake of simplification, I would not include the starter volume or any of the sugar additions as mixing two different liquids of different gravities and...

There's a few features missing from brewtarget. Love the project, but it seems to have stagnated the past couple years. I wanted to help, but I don't really know c++ or the tools they're using to be productive... Fermentability: Beersmith applies a linear equation based on a max fermentability...

Here's my thread on this setting, from what I can tell it's not accounting for kettle losses properly. https://www.brewersfriend.com/forum/threads/recipe-builder-water-volumes-and-use-equipment-boil-size.11715/

My recommendation is to not use it. Not sure what the intended use for it is, but I don't think it's working correctly.

No intention to remove the standalone biabcalc, but development may stagnant in favor of the complete recipe builder. You'll see a popup alert window on the biabcalc once the recipe builder is ready for testing/release.

Thanks for the support! If anyone has any suggestions on how to improve it, or feature requests let me know. Working on a complete rework that will have recipe formulation and fall under the "complete recipe builder" category but I'm still supporting my biab calc until I launch it!

That's interesting about the lauter efficiency. Was this with a fly sparge or a good thorough batch sparge?

Thanks for the words of kindness. Unfortunately I'm not very well versed in c++ or the tools they're using to develop brewtarget. I'm helping out mostly in documentation, testing, and oversight a bit. But really it's not that involved. There's a lot of people submitting bugs, but from what I can...

Brewtarget uses a slight modification of the original tinseth IBU formula (same modification as beersmith, and brewersfriend). Instead of the average boil gravity being used, it's the final boil gravity. Other than that, you should end up with the same IBUs for any boil addition. Right now...

Never heard of it, but from what I can tell you can't design fresh recipes. You have to start with a beerXML file, so I'm not interested.

https://github.com/Brewtarget/brewtarget Development has definitely slowed down, but it's not abandoned or anything. V2.4 is nearly done. There's a couple things pending, then a bunch of testing before release.

Thanks, if there's any tags you think are still missing from the Beerjson repo, let me know.

There's this github repo project I'm a part of, https://github.com/beerjson/beerjson, that's hoping to take over where beerXML left off and was abandoned for further development. BeerXML is currently abandoned, the proposal for version 2.0.1 was submitted in 2007 and never finalized... Any...

I use the same one. I'm considering getting one of these to control the speed better https://www.harborfreight.com/router-speed-control-43060.html.

They're different. You can do single infusion mash with a sparge. You can do single infusion biab with or without a sparge. Youre probably thinking of full volume, which is the same as no sparge.

This calculator at alchemy overlord is probably the best implementation of a modification of tinseth based on what we *know* about how whirlpooling, flameout additons, and oil saturation affects ibu. https://jphosom.github.io/alchemyoverlord/