diff --git a/daliuge-engine/dlg/manager/cmdline.py b/daliuge-engine/dlg/manager/cmdline.py
index 8052333e5..88d0437b1 100644
--- a/daliuge-engine/dlg/manager/cmdline.py
+++ b/daliuge-engine/dlg/manager/cmdline.py
@@ -361,8 +361,8 @@ def dlgNM(parser, args):
     parser.add_option(
         "--dlm-cleanup-period",
         type="float",
-        help="Time in seconds between background DLM drop automatic cleanups (defaults to 100)",
-        default=100
+        help="Time in seconds between background DLM drop automatic cleanups (defaults to 30)",
+        default=30
     )
     parser.add_option(
         "--dlm-enable-replication",
diff --git a/daliuge-engine/dlg/manager/web/static/css/progressBar.css b/daliuge-engine/dlg/manager/web/static/css/progressBar.css
index 7955e54cb..99a7316c1 100644
--- a/daliuge-engine/dlg/manager/web/static/css/progressBar.css
+++ b/daliuge-engine/dlg/manager/web/static/css/progressBar.css
@@ -19,7 +19,7 @@
   }
   
   .node.expired :first-child, rect.expired {
-    fill: #700000;
+    fill: #888888;
   }
   
   .node.cancelled :first-child, rect.cancelled {
@@ -31,7 +31,7 @@
   }
 
   .node.deleted :first-child, rect.deleted {
-    color: #700000;
+    color: #cccccc;
   }
   
   /* AppDROP states */