Re: Kettle dead space not carrying through to water requirem
If you are using the quick water requirements from the recipe tools menu, the kettle dead space should change the overall water required.
If you are looking at the water requirements in a brew session, those are fixed when the brew is created. To update that, go to the brew session edit tab, then click rebuild brew.
As for the target batch size, that is left for you to define, and the water requirements works around that figure.
If none of that helps, please paste the results here so we can take a look. Maybe do a before and after, and let us know what values were used.