diff --git a/hardware-testing/hardware_testing/gravimetric/liquid_class/defaults.py b/hardware-testing/hardware_testing/gravimetric/liquid_class/defaults.py
index 4eaf1d15f1e..3a6f781ddf5 100644
--- a/hardware-testing/hardware_testing/gravimetric/liquid_class/defaults.py
+++ b/hardware-testing/hardware_testing/gravimetric/liquid_class/defaults.py
@@ -29,11 +29,11 @@
                 1: DispenseSettings(  # 1uL
                     z_submerge_depth=_default_submerge_dispense_mm,
                     plunger_acceleration=_default_accel_p50_ul_sec_sec,
-                    plunger_flow_rate=57,  # ul/sec
+                    plunger_flow_rate=22,  # ul/sec
                     delay=_default_dispense_delay_seconds,
                     z_retract_discontinuity=_default_retract_discontinuity,
                     z_retract_height=_default_retract_mm,
-                    blow_out_submerged=7,
+                    blow_out_submerged=3.5,
                 ),
                 10: DispenseSettings(  # 10uL
                     z_submerge_depth=_default_submerge_dispense_mm,