Index: sources/gui/qml/dialogs/UfVolumeAdjustment.qml
===================================================================
diff -u -r82b22f0f0ae1ff5b0a5c1524c7e91cc8d667b180 -r81ed00031f6f2b4124a17ac8054b4a3815e2e2bc
--- sources/gui/qml/dialogs/UfVolumeAdjustment.qml	(.../UfVolumeAdjustment.qml)	(revision 82b22f0f0ae1ff5b0a5c1524c7e91cc8d667b180)
+++ sources/gui/qml/dialogs/UfVolumeAdjustment.qml	(.../UfVolumeAdjustment.qml)	(revision 81ed00031f6f2b4124a17ac8054b4a3815e2e2bc)
@@ -73,7 +73,7 @@
             unitText        : Variables.unitWeight
             valid           : ! vTreatmentCreate.ufEstimatedTargetWeightRejectionReason
             editable        : _root.editingEnabled
-            minimum         : vTreatmentRanges.weightMin
+            minimum         : _preWeight.value
             maximum         : vTreatmentRanges.weightMax
             step            : vTreatmentRanges.weightRes
             defaultValue    : vTreatmentRanges.weightDef
Index: sources/gui/qml/pages/pretreatment/create/PreTreatmentCreateTreatmentSettings.qml
===================================================================
diff -u -r82b22f0f0ae1ff5b0a5c1524c7e91cc8d667b180 -r81ed00031f6f2b4124a17ac8054b4a3815e2e2bc
--- sources/gui/qml/pages/pretreatment/create/PreTreatmentCreateTreatmentSettings.qml	(.../PreTreatmentCreateTreatmentSettings.qml)	(revision 82b22f0f0ae1ff5b0a5c1524c7e91cc8d667b180)
+++ sources/gui/qml/pages/pretreatment/create/PreTreatmentCreateTreatmentSettings.qml	(.../PreTreatmentCreateTreatmentSettings.qml)	(revision 81ed00031f6f2b4124a17ac8054b4a3815e2e2bc)
@@ -278,9 +278,8 @@
                 if ( ! _ufVolume.valid ) { vTreatmentCreate.ufVolumeRejectionReason = Variables.noRejectReason }
                 vTreatmentCreate.ultrafiltrationVolume = vValue
 
-                // zero weight if UF volume is entered
+                // zero target eight if UF volume is entered
                 vTreatmentCreate.ufEstimatedTargetWeight    = 0
-                vTreatmentCreate.ufPreWeight                = 0
             }
 
             onEditClicked   :_ufVolumeAdjustment.open()