Index: firmware/App/Modes/ModeRecirculate.c
===================================================================
diff -u -rdc0d9b087c609e71cacdb7f0395cccf29d749c00 -r92ec01cb48d91fe7315baa987e1aa051dd12df75
--- firmware/App/Modes/ModeRecirculate.c	(.../ModeRecirculate.c)	(revision dc0d9b087c609e71cacdb7f0395cccf29d749c00)
+++ firmware/App/Modes/ModeRecirculate.c	(.../ModeRecirculate.c)	(revision 92ec01cb48d91fe7315baa987e1aa051dd12df75)
@@ -27,9 +27,9 @@
 #include "Pressures.h"
 #include "ROPump.h"
 #include "TaskGeneral.h"
+#include "TemperatureSensors.h"
 #include "Timers.h"
 #include "Valves.h"
-#include "TemperatureSensors.h"
 
 /**
  *  @addtogroup DGRecirculateMode
@@ -54,10 +54,10 @@
 
 /*********************************************************************//**
  * @brief
- * The initRecirculateMode function initializes the Fill Mode module.
+ * The initRecirculateMode function initializes the re-circulate mode module.
  * @details
  * Inputs : none
- * Outputs : Fill Mode module initialized.
+ * Outputs : Re-circulate mode module initialized
  * @return none
  *************************************************************************/
 void initRecirculateMode( void )
@@ -69,10 +69,10 @@
 /*********************************************************************//**
  * @brief
  * The transitionToRecirculateMode function prepares for transition to \n
- * fill mode.
+ * re-circulate mode.
  * @details
  * Inputs : none
- * Outputs : recircState
+ * Outputs : Re-initialized re-circulate mode
  * @return none
  *************************************************************************/
 void transitionToRecirculateMode( void )
@@ -102,18 +102,19 @@
 
 /*********************************************************************//**
  * @brief
- * The execRecirculateMode function executes the Re-circulate Mode state machine.
+ * The execRecirculateMode function executes the re-circulate mode state machine.
  * @details
  * Inputs : recircState
- * Outputs : recircState
+ * Outputs : Check water quality, recircState
  * @return current state
  *************************************************************************/
 U32 execRecirculateMode( void )
 {
-    // check inlet water conductivity, temperature, and pressure
-    checkInletWaterConductivity( recircState );
+    // check inlet water conductivity, temperature, pressure, and RO rejection ratio
+    checkInletWaterConductivity();
     checkInletWaterTemperature();
     checkInletPressure();
+    checkRORejectionRatio();
 
     // execute current re-circulate state
     switch ( recircState )
@@ -145,11 +146,11 @@
 
 /*********************************************************************//**
  * @brief
- * The handleCheckInletWaterState function executes the flush lines \n
- * state of the Re-circulate Mode state machine.
+ * The handleFlushLinesState function executes the flush lines \n
+ * state of the re-circulate mode state machine.
  * @details
  * Inputs : none
- * Outputs :
+ * Outputs : Integrate volume of water moved through line
  * @return the next state
  *************************************************************************/
 static DG_RECIRCULATE_MODE_STATE_T handleFlushLinesState( void )
@@ -173,11 +174,11 @@
 
 /*********************************************************************//**
  * @brief
- * The handleRecircProductWaterState function executes the re-circulate \n
- * water state of the Re-circulate Mode state machine.
+ * The handleRecircWaterState function executes the re-circulate \n
+ * water state of the re-circulate mode state machine.
  * @details
  * Inputs : none
- * Outputs :
+ * Outputs : none
  * @return the next state
  *************************************************************************/
 static DG_RECIRCULATE_MODE_STATE_T handleRecircWaterState( void )
@@ -190,10 +191,10 @@
 /*********************************************************************//**
  * @brief
  * The handleRecircPauseState function executes the pause state of the \n
- * Re-circulate Mode state machine.
+ * re-circulate mode state machine.
  * @details
  * Inputs : none
- * Outputs :
+ * Outputs : none
  * @return the next state
  *************************************************************************/
 static DG_RECIRCULATE_MODE_STATE_T handleRecircPauseState( void )