diff --git a/compass/ocean/tests/global_ocean/mesh/rrs6to18/dynamic_adjustment.yaml b/compass/ocean/tests/global_ocean/mesh/rrs6to18/dynamic_adjustment.yaml
index 8dadf614bd..16c8fb448d 100644
--- a/compass/ocean/tests/global_ocean/mesh/rrs6to18/dynamic_adjustment.yaml
+++ b/compass/ocean/tests/global_ocean/mesh/rrs6to18/dynamic_adjustment.yaml
@@ -63,6 +63,6 @@ dynamic_adjustment:
       run_duration: 18_00:00:00
       output_interval: 10_00:00:00
       restart_interval: 06_00:00:00
-      dt: 00:06:00
-      btr_dt: 00:00:12
+      dt: 00:05:00
+      btr_dt: 00:00:10
       Rayleigh_damping_coeff: None
diff --git a/compass/ocean/tests/global_ocean/mesh/rrs6to18/namelist.init b/compass/ocean/tests/global_ocean/mesh/rrs6to18/namelist.init
index a5920ecde0..58a2736873 100644
--- a/compass/ocean/tests/global_ocean/mesh/rrs6to18/namelist.init
+++ b/compass/ocean/tests/global_ocean/mesh/rrs6to18/namelist.init
@@ -4,4 +4,7 @@ config_rx1_vert_smooth_weight = 10.0
 config_rx1_slope_weight = 1e-1
 config_rx1_zstar_weight = 10.0
 config_rx1_horiz_smooth_open_ocean_cells = 40
-config_rx1_min_layer_thickness = 0.1
+config_rx1_min_levels = 8
+config_rx1_min_layer_thickness = 2.5
+config_global_ocean_minimum_depth = 20.0
+config_min_pc_fraction = 0.2
diff --git a/compass/ocean/tests/global_ocean/mesh/rrs6to18/rrs6to18.cfg b/compass/ocean/tests/global_ocean/mesh/rrs6to18/rrs6to18.cfg
index 76aace69b4..a5443e9a98 100644
--- a/compass/ocean/tests/global_ocean/mesh/rrs6to18/rrs6to18.cfg
+++ b/compass/ocean/tests/global_ocean/mesh/rrs6to18/rrs6to18.cfg
@@ -41,25 +41,31 @@ forward_update_pio = False
 # the approximate number of cells in the mesh
 approx_cell_count = 4000000
 
+# time step per resolution (s/km), since dt is proportional to resolution
+dt_per_km = 10
+# barotropic time step per resolution (s/km)
+btr_dt_per_km = 0.5
+
 ## metadata related to the mesh
 # the prefix (e.g. QU, EC, WC, SO)
 prefix = RRS
 # a description of the mesh and initial condition
-mesh_description = MPAS Eddy Closure mesh for E3SM version ${e3sm_version} with
-                   enhanced resolution around the equator (30 km), South pole
-                   (35 km), Greenland (${min_res} km), ${max_res}-km resolution
-                   at mid latitudes, and ${levels} vertical levels
+mesh_description = MPAS Rossby-radius scaled (RRS) mesh for E3SM version
+                   ${e3sm_version} with ${min_res}-km resolution at the poles,
+                   ${max_res}-km resolution at the equator, and <<<levels>>>
+                   vertical levels. This mesh includes cavities under the ice
+                   shelves around Antarctica.
 # E3SM version that the mesh is intended for
 e3sm_version = 3
 # The revision number of the mesh, which should be incremented each time the
 # mesh is revised
-mesh_revision = 1
+mesh_revision = 7
 # the minimum (finest) resolution in the mesh
 min_res = 6
 # the maximum (coarsest) resolution in the mesh, can be the same as min_res
 max_res = 18
 # The URL of the pull request documenting the creation of the mesh
-pull_request = <<<Missing>>>
+pull_request = https://github.com/MPAS-Dev/compass/pull/819
 
 
 # config options related to remapping topography to an MPAS-Ocean mesh