diff --git a/src/View/Results/PlotH.py b/src/View/Results/PlotH.py
index 3dfe2466f623707b0c023a7f4c667ca29af2362a..22abb87f976fb025daa332ca1b582e5261449f30 100644
--- a/src/View/Results/PlotH.py
+++ b/src/View/Results/PlotH.py
@@ -88,20 +88,21 @@ class PlotH(PamhyrPlot):
         if len(self._current_res_id) < 1:
             return
 
+        if len(self._current_res_id) == 1:
+            self.draw_max(self._current_res_id[0])
+
         for res_id in self._current_res_id:
             if self.results[res_id] is None:
                 continue
 
             results = self.results[res_id]
             reach = results.river.reach(self._current_reach_id)
-            profile = reach.profile(self._current_profile_id)
 
             if reach.geometry.number_profiles == 0:
                 self._init = False
                 return
 
-            self.draw_max(reach)
-            self.draw_data(reach, profile)
+            self.draw_data(res_id)
 
         self.canvas.axes.set_xlabel(
             self._trad["unit_time_s"],
@@ -122,15 +123,28 @@ class PlotH(PamhyrPlot):
         self.draw_current()
         self._init = True
 
-    def draw_data(self, reach, profile):
+    def draw_data(self, res_id):
+
+        results = self.results[res_id]
+        reach = results.river.reach(self._current_reach_id)
+        profile = reach.profile(self._current_profile_id)
 
         x = self._timestamps
         y = profile.get_key("Q")
 
+        if res_id == 2:
+            label = "Δ " + self.label_discharge
+        else:
+            label = self.label_discharge
+
+        if len(self._current_res_id) > 1:
+            if res_id != 2:
+                label += f" ({results._solver.name})"
+
         line, = self.canvas.axes.plot(
             x, y,
-            label=self.label_discharge,
-            color=self.color_plot,
+            label=label,
+            color=self.colors[res_id + 1],
             **self.plot_default_kargs
         )
         self._line.append(line)
@@ -145,10 +159,23 @@ class PlotH(PamhyrPlot):
             lw=1.,
         )
 
-    def draw_max(self, reach):
+    def draw_max(self, res_id):
+        results = self.results[res_id]
+        reach = results.river.reach(self._current_reach_id)
+        profile = reach.profile(self._current_profile_id)
+
+        if reach.geometry.number_profiles == 0:
+            self._init = False
+            return
 
         x = self._timestamps
         y = []
+
+        if res_id == 2:
+            label = "Δ " + self.label_discharge_max
+        else:
+            label = self.label_discharge_max
+
         for ts in x:
             ts_y = -9999
             for profile in reach.profiles:
@@ -158,7 +185,7 @@ class PlotH(PamhyrPlot):
 
         m, = self.canvas.axes.plot(
             x, y,
-            label=self.label_discharge_max,
+            label=label,
             color=self.color_plot_highlight,
             linestyle='dotted',
             **self.plot_default_kargs