Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rdc0d9b087c609e71cacdb7f0395cccf29d749c00 -r92ec01cb48d91fe7315baa987e1aa051dd12df75
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision dc0d9b087c609e71cacdb7f0395cccf29d749c00)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 92ec01cb48d91fe7315baa987e1aa051dd12df75)
@@ -656,11 +656,12 @@
  * @details
  * Inputs : none
  * Outputs : conductivity data msg constructed and queued
- * @param cpi: water inlet conductivity data.
- * @param cpo : water outlet conductivity data.
+ * @param roRejectionRatio RO rejection ratio
+ * @param cpi water inlet conductivity data
+ * @param cpo water outlet conductivity data
  * @return TRUE if msg successfully queued for transmit, FALSE if not
  *************************************************************************/
-BOOL broadcastConductivityData( F32 cpi, F32 cpo )
+BOOL broadcastConductivityData( F32 roRejectionRatio, F32 cpi, F32 cpo )
 {
     BOOL result;
     MESSAGE_T msg;
@@ -672,6 +673,7 @@
     msg.hdr.msgID = MSG_ID_DG_CONDUCTIVITY_DATA;
     msg.hdr.payloadLen = sizeof( CONDUCTIVITY_DATA_T );
 
+    payload.roRejectionRatio = roRejectionRatio;
     payload.cpi = cpi;
     payload.cpo = cpo;