Index: firmware/App/Modes/FPModes/FPModeStandby.c
===================================================================
diff -u -r3417933e6edf61a914c428e2fa944b3b349272a4 -r39405d73782b8b9cf1fc26238640e683efcebbb5
--- firmware/App/Modes/FPModes/FPModeStandby.c	(.../FPModeStandby.c)	(revision 3417933e6edf61a914c428e2fa944b3b349272a4)
+++ firmware/App/Modes/FPModes/FPModeStandby.c	(.../FPModeStandby.c)	(revision 39405d73782b8b9cf1fc26238640e683efcebbb5)
@@ -20,6 +20,7 @@
 #include "FPOperationModes.h"
 #include "ModePreGenPermeateDefeatured.h"
 #include "ModePreGenPermeate.h"
+#include "PermeateTank.h"
 #include "PersistentAlarm.h"
 #include "ROPump.h"
 #include "SystemCommDD.h"
@@ -65,6 +66,7 @@
 {
     initFPStandbyMode();
 
+    resetPermeateTank();
     setValveState( M4_VALV,VALVE_STATE_CLOSED );
     setValveState( M12_VALV, VALVE_STATE_CLOSED );
     setValveState( P6_VALV,VALVE_STATE_CLOSED );