Index: firmware/App/Tasks/TaskGeneral.c
===================================================================
diff -u -rd47b9bcbd4796a8c51d9e87436422c5868292ac6 -rcd4dd9f9928825dd673856bd6cf51ae47576ff79
--- firmware/App/Tasks/TaskGeneral.c	(.../TaskGeneral.c)	(revision d47b9bcbd4796a8c51d9e87436422c5868292ac6)
+++ firmware/App/Tasks/TaskGeneral.c	(.../TaskGeneral.c)	(revision cd4dd9f9928825dd673856bd6cf51ae47576ff79)
@@ -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"
@@ -109,6 +110,9 @@
     // Control closed loop mixing of bicarb and acid
     execMixingControl();
 
+    // Control Substitution pump
+    execSubstitutionPumpController();
+
     // Control RO pump
     execROPumpController();