Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r71e2ca2cd5cc70a6b9c0c258b1445c57f1445fca -r894d80dda120f7b319c212dd1857f203daa27b07
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 71e2ca2cd5cc70a6b9c0c258b1445c57f1445fca)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 894d80dda120f7b319c212dd1857f203daa27b07)
@@ -521,6 +521,41 @@
 
 /*********************************************************************//**
  * @brief
+ * The handleDGServiceScheduleRequest function handles a request for DG
+ * service information.
+ * @details Inputs: none
+ * @details Outputs: message handled, response constructed and queued for
+ * transmit.
+ * @return none
+ *************************************************************************/
+void handleDGSendConcentrateMixingRatios( MESSAGE_T *message )
+{
+    MESSAGE_T msg;
+
+    DG_ACID_CONCENTRATES_RECORD_T acid     = getAcidConcentrateCalRecord();
+    DG_BICARB_CONCENTRATES_RECORD_T bicarb = getBicarbConcentrateCalRecord();
+    U32 fillPrepTimeMS = 9000; // TODO make a get for this in mode fill
+
+    U08 *payloadPtr = msg.payload;
+
+    // Create a message record
+    blankMessage( &msg );
+    msg.hdr.msgID = MSG_ID_DG_CONCENTRATE_MIXING_RATIOS_DATA;
+    msg.hdr.payloadLen = sizeof( F32 ) + sizeof( F32 ) + sizeof( U32 );
+
+    // Fill message payload
+    memcpy( payloadPtr, &acid.acidConcentrate[ CAL_DATA_ACID_CONCENTRATE_1 ].acidConcMixRatio, sizeof( F32 ) );
+    payloadPtr += sizeof( F32 );
+    memcpy( payloadPtr, &bicarb.bicarbConcentrate[ CAL_DATA_BICARB_CONCENTRATE_1 ].bicarbConcMixRatio, sizeof( F32 ) );
+    payloadPtr += sizeof( U32 );
+    memcpy( payloadPtr, &fillPrepTimeMS, sizeof( U32 ) );
+
+    // Serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
+    serializeMessage( msg, COMM_BUFFER_OUT_CAN_DG_2_HD, ACK_REQUIRED );
+}
+
+/*********************************************************************//**
+ * @brief
  * The sendDGCalibrationRecord function sends out the DG calibration
  * record.
  * @details Inputs: none
@@ -839,7 +874,7 @@
 
         if ( DG_CMD_START == fillCmd.cmd )
         {
-            startFillCmd( fillCmd.fillToVolumeMl );
+            startFillCmd( fillCmd.fillToVolumeMl, fillCmd.targetFlowLPM );
         }
         else
         {