diff --git a/defaults/diagnostics_latest.yaml b/defaults/diagnostics_latest.yaml
index f358d16f..57f557f6 100644
--- a/defaults/diagnostics_latest.yaml
+++ b/defaults/diagnostics_latest.yaml
@@ -236,7 +236,7 @@ DUST_FLUX :
    longname : Atmospheric Dust Flux
    units : g/cm^2/s
    vertical_grid : none
-   frequency : never
+   frequency : medium
    operator : average
    diag_mode : minimal
 NOx_FLUX :
@@ -839,7 +839,7 @@ dustToSed :
    vertical_grid : none
    frequency : medium
    operator : average
-   diag_mode : full
+   diag_mode : minimal
 pfeToSed :
    dependencies :
       base_bio_on : .true.
@@ -848,7 +848,7 @@ pfeToSed :
    vertical_grid : none
    frequency : medium
    operator : average
-   diag_mode : full
+   diag_mode : minimal
 CaCO3_form_zint :
    dependencies :
       base_bio_on : .true.
@@ -1393,7 +1393,7 @@ POC_FLUX_IN :
    vertical_grid : layer_avg
    frequency : medium
    operator : average
-   diag_mode : full
+   diag_mode : minimal
 POC_sFLUX_IN :
    dependencies :
       base_bio_on : .true.
diff --git a/defaults/json/diagnostics_latest.json b/defaults/json/diagnostics_latest.json
index f508563e..1064f0f4 100644
--- a/defaults/json/diagnostics_latest.json
+++ b/defaults/json/diagnostics_latest.json
@@ -1666,7 +1666,7 @@
          "base_bio_on": ".true."
       },
       "diag_mode": "minimal",
-      "frequency": "never",
+      "frequency": "medium",
       "longname": "Atmospheric Dust Flux",
       "operator": "average",
       "units": "g/cm^2/s",
@@ -2190,7 +2190,7 @@
       "dependencies": {
          "base_bio_on": ".true."
       },
-      "diag_mode": "full",
+      "diag_mode": "minimal",
       "frequency": "medium",
       "longname": "POC Flux into Cell",
       "operator": "average",
@@ -2692,7 +2692,7 @@
       "dependencies": {
          "base_bio_on": ".true."
       },
-      "diag_mode": "full",
+      "diag_mode": "minimal",
       "frequency": "medium",
       "longname": "dust Flux to Sediments",
       "operator": "average",
@@ -3009,7 +3009,7 @@
       "dependencies": {
          "base_bio_on": ".true."
       },
-      "diag_mode": "full",
+      "diag_mode": "minimal",
       "frequency": "medium",
       "longname": "pFe Flux to Sediments",
       "operator": "average",