diff --git a/piker/ui/_graphics.py b/piker/ui/_graphics.py
index 9dee4564..0297028f 100644
--- a/piker/ui/_graphics.py
+++ b/piker/ui/_graphics.py
@@ -16,8 +16,8 @@ from ._axes import YAxisLabel, XAxisLabel
 # TODO:
 # - checkout pyqtgraph.PlotCurveItem.setCompositionMode
 
-_mouse_rate_limit = 30
-_debounce_delay = 10
+_mouse_rate_limit = 60
+_debounce_delay = 20
 _ch_label_opac = 1