diff --git a/dashboards/dashboard_walberla.py b/dashboards/dashboard_walberla.py
index 15358a910eb798876b4ce245b1c84d834287b5ca..5efff6487754d1bdc7a4470fbe4ad7eb109e22b1 100644
--- a/dashboards/dashboard_walberla.py
+++ b/dashboards/dashboard_walberla.py
@@ -20,7 +20,7 @@ from dashboards.dashboard_base import (
 )
 from dashboards.influx_queries import join_variable_and, get_variable_condition_with_tag, get_variable_tag, join_conditions, get_variable_condition, get_variable_condition_without_regex, get_variable_condition_unbounded
 from dashboards.legends import Units, AxisLabel
-from dashboards.overrides import get_color_regex_override
+from dashboards.overrides import get_color_regex_override, get_line_style_regex_override
 from dashboards.panels import PanelInfos, get_time_series_panel, get_table_panel, get_bar_chart_panel, get_pie_chart_panel
 from dashboards.variables import (
     Filter,
@@ -742,7 +742,7 @@ def dashboard_percolationgpu():
     )
 
     filters = [
-        Filter("host", multi=False),
+        Filter("host", multi=False, refresh=2),
         Filter(row_repeat),
         Filter("useParticles"),
     ]
@@ -777,6 +777,10 @@ def dashboard_percolationgpu():
 
     annotations = get_commit_annotation(
         data_source, "red", "commits", measurment_name)
+
+    overrides0 = [
+        get_line_style_regex_override(f"/.*useParticles: 0/", style="dash")
+    ]
         
     groups4 = ["LBM sweep", "Boundary", "Communication"]
     colors4 = ["blue", "semi-dark-yellow", "semi-dark-purple"]
@@ -848,6 +852,7 @@ def dashboard_percolationgpu():
             pointSize=5,
             thresholdsStyleMode='off',
             gridPos=get_grid_pos(13, 9, 0, 0),
+            overrides=overrides0,
         ),
         # Panel 1
         get_time_series_panel(
diff --git a/dashboards/variables.py b/dashboards/variables.py
index 8883865bae47b86e7428eecfdc3cf4675f67251a..2bd78dca5f8f78654cd35d80aaf350ec514a4fdd 100644
--- a/dashboards/variables.py
+++ b/dashboards/variables.py
@@ -3,7 +3,7 @@ from collections import namedtuple
 from dashboards.influx_queries import show_tag_values, get_tag_values, show_field_keys
 
 Filter = namedtuple(
-    "Filter", ("name", "multi", "default_value"), defaults=("", True, "")
+    "Filter", ("name", "multi", "default_value", "refresh"), defaults=("", True, "", 1)
 )
 
 
@@ -46,6 +46,7 @@ def get_time_dependend_dashboard_variable(
     kwargs = {
         "includeAll": filter.multi,
         "multi": filter.multi,
+        "refresh": filter.refresh
     }
     if filter.default_value:
         kwargs.update({"default": filter.default_value})