Index: dialin/common/alarm_defs.py
===================================================================
diff -u -r443eec4467e7927d1cb9a7a72ef087fb59c1ea85 -rb325782a4c7ab9446c8c78259a5b8c8fe5bf7ef5
--- dialin/common/alarm_defs.py	(.../alarm_defs.py)	(revision 443eec4467e7927d1cb9a7a72ef087fb59c1ea85)
+++ dialin/common/alarm_defs.py	(.../alarm_defs.py)	(revision b325782a4c7ab9446c8c78259a5b8c8fe5bf7ef5)
@@ -301,8 +301,8 @@
     ALARM_ID_HD_ACTIVE_RESERVOIR_WEIGHT_OUT_OF_RANGE = 278
     ALARM_ID_DG_DIALYSATE_DRAIN_TIME_OUT = 279
     ALARM_ID_DG_DRAIN_PUMP_DIRECTION_INVALID = 280
-    ALARM_ID_DG_ACID_BOTTLE_LOW_VOLUME = 281
-    ALARM_ID_DG_BICARB_BOTTLE_LOW_VOLUME = 282
+    ALARM_ID_AVAILABLE_40 = 281
+    ALARM_ID_AVAILABLE_41 = 282
     ALARM_ID_DG_LOAD_CELL_WEIGHT_OUT_OF_RANGE = 283
     ALARM_ID_DG_LOAD_CELL_PRIMARY_BACKUP_DRIFT_OUT_OF_RANGE = 284
     ALARM_ID_HD_RO_PERMEATE_SAMPLE = 285
Index: dialin/common/msg_ids.py
===================================================================
diff -u -r4c650c07d392c1033aaf8bea0f77647f40ff447e -rb325782a4c7ab9446c8c78259a5b8c8fe5bf7ef5
--- dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 4c650c07d392c1033aaf8bea0f77647f40ff447e)
+++ dialin/common/msg_ids.py	(.../msg_ids.py)	(revision b325782a4c7ab9446c8c78259a5b8c8fe5bf7ef5)
@@ -476,9 +476,9 @@
     MSG_ID_DG_SET_SW_CONFIG_RECORD = 0xA04B
     MSG_ID_DG_SEND_SW_CONFIG_RECORD = 0xA04C
     MSG_ID_DG_FANS_DUTY_CYCLE_OVERRIDE = 0xA04D
-    MSG_ID_DG_USED_ACID_VOLUME_ML_OVERRIDE = 0xA04E
+    MSG_ID_MSG_AVAILABLE_42 = 0xA04E
     MSG_ID_DG_SET_FANS_RPM_ALARM_START_TIME_OFFSET = 0xA04F
-    MSG_ID_DG_USED_BICARB_VOLUME_ML_OVERRIDE = 0xA050
+    MSG_ID_MSG_AVAILABLE_43 = 0xA050
     MSG_ID_FILL_MODE_DATA_PUBLISH_INTERVAL_OVERRIDE = 0xA051
     MSG_ID_DG_GEN_IDLE_PUBLISH_INTERVAL_OVERRIDE = 0xA052
     MSG_ID_DG_GET_USAGE_INFO_RECORD = 0xA053
Index: dialin/dg/dialysate_fill.py
===================================================================
diff -u -ra7253ef8e885d542d22539cd1e4c608f7ce63eb5 -rb325782a4c7ab9446c8c78259a5b8c8fe5bf7ef5
--- dialin/dg/dialysate_fill.py	(.../dialysate_fill.py)	(revision a7253ef8e885d542d22539cd1e4c608f7ce63eb5)
+++ dialin/dg/dialysate_fill.py	(.../dialysate_fill.py)	(revision b325782a4c7ab9446c8c78259a5b8c8fe5bf7ef5)
@@ -102,68 +102,6 @@
             message['message'][MsgFieldPositions.START_POS_FIELD_8:MsgFieldPositions.END_POS_FIELD_8]))[0]
         self.dg_fill_mode_timestamp = timestamp
 
-    def cmd_used_acid_volume_override(self, volume: float, reset: int = NO_RESET) -> int:
-        """
-        Constructs and sends the used acid volume override command
-
-        @param volume:  float - desired used acid volume to override
-        @param reset:  integer - 1 to reset a previous override, 0 to override
-        @return: 1 if successful, zero otherwise
-
-        """
-        reset_byte_array = integer_to_bytearray(reset)
-        volume_byte_array = float_to_bytearray(volume)
-
-        payload = reset_byte_array + volume_byte_array
-
-        message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_dg_ch_id,
-                                              message_id=MsgIds.MSG_ID_DG_USED_ACID_VOLUME_ML_OVERRIDE.value,
-                                              payload=payload)
-
-        self.logger.debug("override the used acid volume")
-
-        # Send message
-        received_message = self.can_interface.send(message)
-
-        # If there is content...
-        if received_message is not None:
-            # response payload is OK or not OK
-            return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX]
-        else:
-            self.logger.error("Timeout!!!!")
-            return False
-
-    def cmd_used_bicarb_volume_override(self, volume: float, reset: int = NO_RESET) -> int:
-        """
-        Constructs and sends the used bicarb volume override command
-
-        @param volume:  float - desired used acid volume to override
-        @param reset:  integer - 1 to reset a previous override, 0 to override
-        @return: 1 if successful, zero otherwise
-
-        """
-        reset_byte_array = integer_to_bytearray(reset)
-        volume_byte_array = float_to_bytearray(volume)
-
-        payload = reset_byte_array + volume_byte_array
-
-        message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_dg_ch_id,
-                                              message_id=MsgIds.MSG_ID_DG_USED_BICARB_VOLUME_ML_OVERRIDE.value,
-                                              payload=payload)
-
-        self.logger.debug("override the used bicarb volume")
-
-        # Send message
-        received_message = self.can_interface.send(message)
-
-        # If there is content...
-        if received_message is not None:
-            # response payload is OK or not OK
-            return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX]
-        else:
-            self.logger.error("Timeout!!!!")
-            return False
-
     def cmd_fill_mode_data_broadcast_interval_override(self, ms: int, reset: int = NO_RESET) -> int:
         """
         Constructs and sends the fill mode data broadcast interval override command