diff --git a/param_templates/MOM_input.yaml b/param_templates/MOM_input.yaml
index c646446..a6bfd7b 100644
--- a/param_templates/MOM_input.yaml
+++ b/param_templates/MOM_input.yaml
@@ -1361,7 +1361,7 @@ Global:
             HYBRID:vgrid.nc,sigma2,dz"
         datatype: string
         value:
-            $OCN_GRID == "tx2_3v2": '"FILE:ocean_rho2_190917.nc,interfaces=rho2"'
+            $OCN_GRID in ["tx2_3v2", "tx2_3v3"]: '"FILE:ocean_rho2_190917.nc,interfaces=rho2"'
     DIAG_MISVAL:
         description: |
             "TODO"
diff --git a/param_templates/input_data_list.yaml b/param_templates/input_data_list.yaml
index 8b848a2..e7f8d3e 100644
--- a/param_templates/input_data_list.yaml
+++ b/param_templates/input_data_list.yaml
@@ -59,7 +59,7 @@ mom.input_data_list:
         $OCN_GRID == "tx2_3v3": "${INPUTDIR}/mle_cr_labsea_mask_tx2_3v3_260306.nc"
     CFC_BC_FILE: "${DIN_LOC_ROOT}/ocn/mom/grid_indpt/cfc_atm_20230310.nc"
     DIAG_COORD_DEF_RHO2:
-        $OCN_GRID == "tx2_3v2":  "${INPUTDIR}/ocean_rho2_190917.nc"
+        $OCN_GRID in ["tx2_3v2", "tx2_3v3"]:  "${INPUTDIR}/ocean_rho2_190917.nc"
     MARBL_TRACERS_IC_FILE:
         $MARBL_CONFIG == "latest": "${INPUTDIR}/ecosys_jan_IC_omip_latlon_1x1_180W_c250613.nc"
         $MARBL_CONFIG == "latest+4p2z": "${INPUTDIR}/ecosys_jan_IC_omip_latlon_1x1_180W_c250613.nc"
diff --git a/param_templates/json/MOM_input.json b/param_templates/json/MOM_input.json
index e1302b0..2b54891 100644
--- a/param_templates/json/MOM_input.json
+++ b/param_templates/json/MOM_input.json
@@ -1053,7 +1053,7 @@
          "description": "\" default = 'WOA09'\nDetermines how to specify the coordinate resolution. Valid options are:\nPARAM       - use the vector-parameter DIAG_COORD_RES_RHO2\nUNIFORM[:N] - uniformly distributed\nFILE:string - read from a file. The string specifies\nthe filename and variable name, separated\nby a comma or space, e.g. FILE:lev.nc,dz\nor FILE:lev.nc,interfaces=zw\nWOA09[:N]   - the WOA09 vertical grid (approximately)\nFNC1:string - FNC1:dz_min,H_total,power,precision\nHYBRID:string - read from a file. The string specifies\nthe filename and two variable names, separated\nby a comma or space, for sigma-2 and dz. e.g.\nHYBRID:vgrid.nc,sigma2,dz\"\n",
          "datatype": "string",
          "value": {
-            "$OCN_GRID == \"tx2_3v2\"": "\"FILE:ocean_rho2_190917.nc,interfaces=rho2\""
+            "$OCN_GRID in [\"tx2_3v2\", \"tx2_3v3\"]": "\"FILE:ocean_rho2_190917.nc,interfaces=rho2\""
          }
       },
       "DIAG_MISVAL": {
diff --git a/param_templates/json/input_data_list.json b/param_templates/json/input_data_list.json
index 1921193..fa6e59c 100644
--- a/param_templates/json/input_data_list.json
+++ b/param_templates/json/input_data_list.json
@@ -75,7 +75,7 @@
       },
       "CFC_BC_FILE": "${DIN_LOC_ROOT}/ocn/mom/grid_indpt/cfc_atm_20230310.nc",
       "DIAG_COORD_DEF_RHO2": {
-         "$OCN_GRID == \"tx2_3v2\"": "${INPUTDIR}/ocean_rho2_190917.nc"
+         "$OCN_GRID in [\"tx2_3v2\", \"tx2_3v3\"]": "${INPUTDIR}/ocean_rho2_190917.nc"
       },
       "MARBL_TRACERS_IC_FILE": {
          "$MARBL_CONFIG == \"latest\"": "${INPUTDIR}/ecosys_jan_IC_omip_latlon_1x1_180W_c250613.nc",