Index: firmware/App/Tasks/TaskGeneral.c
===================================================================
diff -u -rd47b9bcbd4796a8c51d9e87436422c5868292ac6 -r75f32cd59369b07708e2d1118ea3695872484e31
--- firmware/App/Tasks/TaskGeneral.c	(.../TaskGeneral.c)	(revision d47b9bcbd4796a8c51d9e87436422c5868292ac6)
+++ firmware/App/Tasks/TaskGeneral.c	(.../TaskGeneral.c)	(revision 75f32cd59369b07708e2d1118ea3695872484e31)
@@ -31,6 +31,7 @@
 #include "PermeateTank.h"
 #include "RinsePump.h"
 #include "ROPump.h"
+#include "SubstitutionPump.h"
 #include "SystemCommDD.h"
 #include "TaskGeneral.h"
 #include "WatchdogMgmt.h"
@@ -106,6 +107,9 @@
         execDryBicart();
     }
 
+    // Control Substitution pump
+    execSubstitutionPumpController();
+
     // Control closed loop mixing of bicarb and acid
     execMixingControl();