Index: firmware/App/Modes/ModeRecirculate.c
===================================================================
diff -u -rfbc0a281b094ff309dcbf83db1878818a9b384f1 -rebbb1f85550a1f9b8f946655f7b2b63f76fbf67d
--- firmware/App/Modes/ModeRecirculate.c	(.../ModeRecirculate.c)	(revision fbc0a281b094ff309dcbf83db1878818a9b384f1)
+++ firmware/App/Modes/ModeRecirculate.c	(.../ModeRecirculate.c)	(revision ebbb1f85550a1f9b8f946655f7b2b63f76fbf67d)
@@ -30,6 +30,7 @@
 #include "TaskGeneral.h"
 #include "TemperatureSensors.h"
 #include "Timers.h"
+#include "UVReactors.h"
 #include "Valves.h"
 
 /**
@@ -39,10 +40,12 @@
 
 // ********** private definitions **********
 
-#define TARGET_RO_PRESSURE_PSI          130                    ///< Target pressure for RO pump.
-#define TARGET_RO_FLOW_RATE_L           0.8                    ///< Target flow rate for RO pump.
-#define FLUSH_LINES_VOLUME_L            0.1                    ///< Water volume (in Liters) to flush when starting re-circulate mode.
+#define TARGET_RO_PRESSURE_PSI                  130                    ///< Target pressure for RO pump.
+#define TARGET_RO_FLOW_RATE_L                   0.3                    ///< Target flow rate for RO pump.
 
+#define TARGET_FLUSH_LINES_RO_FLOW_RATE_L       0.6                    ///< Target flow rate for RO pump.
+#define FLUSH_LINES_VOLUME_L                    0.1                    ///< Water volume (in Liters) to flush when starting re-circulate mode.
+
 // ********** private data **********
 
 static DG_RECIRCULATE_MODE_STATE_T recircState;                ///< Currently active re-circulation state.
@@ -86,11 +89,15 @@
     setValveState( VDR, VALVE_STATE_DRAIN_C_TO_NO );
     setValveState( VPO, VALVE_STATE_NOFILL_C_TO_NO );
     setROPumpTargetFlowRate( TARGET_RO_FLOW_RATE_L, TARGET_RO_PRESSURE_PSI );
+
     signalDrainPumpHardStop();
     startPrimaryHeater();
-    requestConcentratePumpsOff( CONCENTRATEPUMPS_CP1 );
-    requestConcentratePumpsOff( CONCENTRATEPUMPS_CP2 );
+    requestConcentratePumpsOff( CONCENTRATEPUMPS_CP1_ACID );
+    requestConcentratePumpsOff( CONCENTRATEPUMPS_CP2_BICARB );
+
     // UV on
+    turnOnUVReactor( INLET_UV_REACTOR );
+    turnOnUVReactor( OUTLET_UV_REACTOR );
 
 #ifndef _VECTORCAST_
     {   // TODO - test code to start the fan since we're turning the heater on
@@ -136,7 +143,7 @@
             break;
 
         default:
-            SET_ALARM_WITH_2_U32_DATA( ALARM_ID_DG_SOFTWARE_FAULT, 0, recircState )     // TODO - add s/w fault enum to 1st data param
+            SET_ALARM_WITH_2_U32_DATA( ALARM_ID_DG_SOFTWARE_FAULT, SW_FAULT_ID_RECIRC_MODE_INVALID_EXEC_STATE, recircState )
             recircState = DG_RECIRCULATE_MODE_STATE_START;
             break;
     }
@@ -165,6 +172,7 @@
     if ( flushLinesVolumeL >= FLUSH_LINES_VOLUME_L )
     {
         setValveState( VDR, VALVE_STATE_RECIRC_C_TO_NC );
+        setROPumpTargetFlowRate( TARGET_RO_FLOW_RATE_L, TARGET_RO_PRESSURE_PSI );
         result = DG_RECIRCULATE_MODE_STATE_RECIRC_WATER;
     }