diff -r 082786891630 -r 288ed828d11a src/global.h
--- a/src/global.h	Sun Jun 09 17:00:00 2024 +0200
+++ b/src/global.h	Tue Jun 11 15:51:17 2024 +0200
@@ -734,6 +734,14 @@
     double		ta_chloride;
     double		ta_sulfate;
     double		ta_hardness;
+    double		fw_calcium;	///< Final treated water.
+    double		fw_magnesium;
+    double		fw_bicarbonate;
+    double		fw_total_alkalinity;
+    double		fw_sodium;
+    double		fw_chloride;
+    double		fw_sulfate;
+    double		fw_ph;
     QList<Images>	images_list;	///< List of loaded images.
     int			images_count;	///< -1 if not yet loaded.
     int			images_current;	///< -1 or image in focus.