Index: DD_Levels/loader.py
===================================================================
diff -u -rae3a21a4b37161a8bfa0a3fff23470d4ac198f5f -r284e2fe2b5cccdbc3e12348b6f500fa9eae0e95a
--- DD_Levels/loader.py	(.../loader.py)	(revision ae3a21a4b37161a8bfa0a3fff23470d4ac198f5f)
+++ DD_Levels/loader.py	(.../loader.py)	(revision 284e2fe2b5cccdbc3e12348b6f500fa9eae0e95a)
@@ -33,9 +33,11 @@
         self.tbReset                    = self.find_widget(QtWidgets.QToolButton    , 'tbReset'                 )
         self.tbSend                     = self.find_widget(QtWidgets.QToolButton    , 'tbSend'                  )
 
-        self.sbFloaterLevel             = self.find_widget(QtWidgets.QSpinBox       , 'sbFloaterLevel'          )
-        self.sbBicarbLevel              = self.find_widget(QtWidgets.QSpinBox       , 'sbBicarbLevel'           )
-        self.sbSpentDialysateLevel      = self.find_widget(QtWidgets.QSpinBox       , 'sbSpentDialysateLevel'   )
+        self.sbd46Level         = self.find_widget(QtWidgets.QSpinBox       , 'sbd46Level'      )
+        self.sbd63Level         = self.find_widget(QtWidgets.QSpinBox       , 'sbd63Level'      )
+        self.sbd98Level         = self.find_widget(QtWidgets.QSpinBox       , 'sbd98Level'      )
+        self.sbd6Level          = self.find_widget(QtWidgets.QSpinBox       , 'sbd6Level'       )   
+        self.sbbicardLevel      = self.find_widget(QtWidgets.QSpinBox       , 'sbbicardLevel'   )
 
     def _init_connections(self):
         """
@@ -51,22 +53,23 @@
         initializes the widgets' properties
         :return: none
         """
-        self.sbFloaterLevel         .setValue(0)
-        self.sbBicarbLevel          .setValue(0)
-        self.sbSpentDialysateLevel  .setValue(0)
+        self.sbd46Level     .setValue(0)
+        self.sbd63Level     .setValue(0)
+        self.sbd98Level     .setValue(0)
+        self.sbd6Level      .setValue(0)
+        self.sbbicardLevel  .setValue(0)
 
     @Slot()
     def do_dd_level_sensors(self):
         """
         the slot for dd level sensor change
         :return: none
         """
-        d6Level  = self.sbFloaterLevel        .value()
-        d63Level = self.sbBicarbLevel         .value()
-        d46Level = self.sbSpentDialysateLevel .value()
 
         self.dd_interface.dd_levels(
-            d6Level  ,
-            d63Level ,
-            d46Level 
+            self.sbd46Level    .value() ,
+            self.sbd63Level    .value() ,
+            self.sbd98Level    .value() ,
+            self.sbd6Level     .value() ,
+            self.sbbicardLevel .value() 
         )
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