Index: sources/gui/qml/pages/pretreatment/PreTreatmentWaterSampleStack.qml
===================================================================
diff -u -r821bf955d0ba7e028bccfee7c04ca77cf80a0bd4 -rf5498e2cd91de9d120b591a36f871db2e2b80fa7
--- sources/gui/qml/pages/pretreatment/PreTreatmentWaterSampleStack.qml	(.../PreTreatmentWaterSampleStack.qml)	(revision 821bf955d0ba7e028bccfee7c04ca77cf80a0bd4)
+++ sources/gui/qml/pages/pretreatment/PreTreatmentWaterSampleStack.qml	(.../PreTreatmentWaterSampleStack.qml)	(revision f5498e2cd91de9d120b591a36f871db2e2b80fa7)
@@ -28,7 +28,7 @@
 StackItem { id: _root
     objectName: "_PreTreatmentSampleStack"
 
-    stackView.initialItem   : _preTreatmentFilterFlush
+    stackView.initialItem   : null
 
     property int stackStepIndex : 1
 
@@ -130,7 +130,7 @@
             _mainMenu.hidden = true
         }
         else {
-            reset()
+            stackView.initialItem = null
         }
     }
 }