Late additions used in mash calculations

Gooseberry

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Hi folks,

I have a stout recipe that includes 28 oz of date molasses as a late addition to the kettle. The weight and SRM of the molasses (80) is included in calculations that should only use mashed ingredients:
  1. In the Brew! mash calculator, the total grain weight includes the molasses (15.5 lb instead of 13.75 lb), which changes all of the water calculations.
  2. In the main recipe view, the SRM is used to calculate the headline mash pH (changing the SRM for this ingredient from 80 to 1 changes the mash pH from 5.05 to 5.46).
  3. In the water calculator, the molasses is imported into the grist info and used to calculate mash pH (approximately the same effect).
The date molasses is added as custom ingredient. I know there have been other issues with custom ingredients, but I couldn't find a previous report for these. If anyone has suggestions about how to handle this, I would love to hear them.

Thanks!
 

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