--- a/README.design	Sat Jun 15 19:41:44 2019 +0200
+++ b/README.design	Thu Jun 20 13:55:12 2019 +0200
@@ -18,3 +18,13 @@
 
 Popups in de editors met rekenhulpjes.
 
+Packaging: water dilutition and liquer infusion.
+  Calculate final SG, EBC and IBU.
+    package_volume,
+    package_infuse_amount, package_infuse_abv,
+    package_infuse_notes.
+    package_abv
+  Calculate water for priming sugare effect. 1 SG point?
+    bottle_priming_water (to sugar mix)
+    keg_priming_water
+