Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r04717003bb672ca3ed507a924156e141db2d5855 -r5b89b58c9d8453e31dfefeabec3588b70b1399f0
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 04717003bb672ca3ed507a924156e141db2d5855)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 5b89b58c9d8453e31dfefeabec3588b70b1399f0)
@@ -1534,11 +1534,13 @@
     MESSAGE_T msg;
     DG_START_STOP_TX_CMD_REQUEST_T cmd;
 
-    cmd.start = start;
+    cmd.start      = start;
+    cmd.acidType   = getTreatmentParameterU32( TREATMENT_PARAM_ACID_CONCENTRATE );
+    cmd.bicarbType = getTreatmentParameterU32( TREATMENT_PARAM_BICARB_CONCENTRATE );
 
     // Create a message record
     blankMessage( &msg );
-    msg.hdr.msgID = MSG_ID_STARTING_STOPPING_TREATMENT_CMD_REQUEST;
+    msg.hdr.msgID      = MSG_ID_STARTING_STOPPING_TREATMENT_CMD_REQUEST;
     msg.hdr.payloadLen = sizeof( DG_START_STOP_TX_CMD_REQUEST_T );
 
     memcpy( &msg.payload, &cmd, sizeof( DG_START_STOP_TX_CMD_REQUEST_T ) );