Index: sources/gui/qml/dialogs/AcidConcentrateAdjustment.qml
===================================================================
diff -u -r95f6f36face64c2afdabe1904df649738f554709 -r9c818f9b2600fa0fb9375f5923bf01ffcbb17e0f
--- sources/gui/qml/dialogs/AcidConcentrateAdjustment.qml	(.../AcidConcentrateAdjustment.qml)	(revision 95f6f36face64c2afdabe1904df649738f554709)
+++ sources/gui/qml/dialogs/AcidConcentrateAdjustment.qml	(.../AcidConcentrateAdjustment.qml)	(revision 9c818f9b2600fa0fb9375f5923bf01ffcbb17e0f)
@@ -118,7 +118,7 @@
             width       : 250
             height      : 75
             pixelSize   : 30
-            enabled     : _potassiumVolumeControl.active && _calciumVolumeControl.active
+            enabled     : _potassiumVolumeControl.isActive && _calciumVolumeControl.isActive
 
             onClicked   : {
                 if ( vTreatmentCreate.acidConcentrateRejectReason ) { vTreatmentCreate.acidConcentrateRejectReason = Variables.noRejectReason }