Index: sources/gui/qml/pages/treatment/TreatmentStack.qml
===================================================================
diff -u -ra1386c22cd8c011a3fc1dc8dac2136cbee7890c2 -re5750381ee5b27857f6b320981adb0985f0c1b2b
--- sources/gui/qml/pages/treatment/TreatmentStack.qml	(.../TreatmentStack.qml)	(revision a1386c22cd8c011a3fc1dc8dac2136cbee7890c2)
+++ sources/gui/qml/pages/treatment/TreatmentStack.qml	(.../TreatmentStack.qml)	(revision e5750381ee5b27857f6b320981adb0985f0c1b2b)
@@ -92,7 +92,8 @@
             _treatmentAdjustmentPressuresLimits.open()
         }
         function onSectionTimeClicked               ( vValue ) {
-            _treatmentAdjustmentDuration.durationValue = vTreatmentTime.time_Total / 60 // minutes => hours
+            //DEBUG: console.log("time total minutes: " + vTreatmentTime.time_Total / 60 )
+            _treatmentAdjustmentDuration.setDurationValue(vTreatmentTime.time_Total / 60) // minutes => hours
             _treatmentAdjustmentDuration.open()
         }
         function onSectionUltrafiltrationClicked    ( vValue ) {
@@ -197,7 +198,7 @@
                 vTreatmentUltrafiltration.maximum               = vTreatmentAdjustmentDuration.ultrafiltration
                 _treatmentAdjustmentDuration.accept()
             } else {
-                _treatmentAdjustmentDuration.durationValue      = vTreatmentAdjustmentDuration.duration;
+                _treatmentAdjustmentDuration.setDurationValue(vTreatmentAdjustmentDuration.duration);
                 _treatmentAdjustmentDuration.notification.text  = vTreatmentAdjustmentDuration.text();
             }
         }
Index: sources/gui/qml/pages/treatment/adjustments/TreatmentAdjustmentDuration.qml
===================================================================
diff -u -r642f08650a7a88ad6a2305fdea6bd18365aab5c7 -re5750381ee5b27857f6b320981adb0985f0c1b2b
--- sources/gui/qml/pages/treatment/adjustments/TreatmentAdjustmentDuration.qml	(.../TreatmentAdjustmentDuration.qml)	(revision 642f08650a7a88ad6a2305fdea6bd18365aab5c7)
+++ sources/gui/qml/pages/treatment/adjustments/TreatmentAdjustmentDuration.qml	(.../TreatmentAdjustmentDuration.qml)	(revision e5750381ee5b27857f6b320981adb0985f0c1b2b)
@@ -29,7 +29,7 @@
 TreatmentAdjustmentBase { id: _root
     contentItem.objectName: "TreatmentAdjustmentDuration"  //SquishQt testability
 
-    /* -- */ property alias durationValue   : _durationSlider.value
+    readonly property real  durationValue   : _durationSlider.value
     readonly property alias durationMinimum : _durationSlider.minimum
     readonly property alias durationMaximum : _durationSlider.maximum
     readonly property alias durationStep    : _durationSlider.step
@@ -39,6 +39,11 @@
 
     property int   textWidth       : 200
 
+    // Due to how the slider is set up, a setter function is needed to set the slider value
+    function setDurationValue(value) {
+        _durationSlider.reset(value)
+    }
+
     titleText: qsTr("TREATMENT DURATION")
 
     Item { id : _container