diff --git a/config/gpu_configs/gpu_aquaplanet_dyamond.yml b/config/gpu_configs/gpu_aquaplanet_dyamond.yml
index 6c485f00eb..58a96b2999 100644
--- a/config/gpu_configs/gpu_aquaplanet_dyamond.yml
+++ b/config/gpu_configs/gpu_aquaplanet_dyamond.yml
@@ -1,4 +1,4 @@
-h_elem: 60
+h_elem: 30
 z_max: 55000.0
 z_elem: 63
 dz_bottom: 30.0
@@ -15,6 +15,6 @@ rayleigh_sponge: true
 dt_save_to_disk: "3hours"
 dt: "50secs" 
 t_end: "1days"
-FLOAT_TYPE: "Float64"
+FLOAT_TYPE: "Float32"
 job_id: "gpu_aquaplanet_dyamond" 
 toml: [toml/longrun_aquaplanet_dyamond.toml]
diff --git a/src/parameterized_tendencies/radiation/radiation.jl b/src/parameterized_tendencies/radiation/radiation.jl
index 0759b087e1..8e5eeff9fc 100644
--- a/src/parameterized_tendencies/radiation/radiation.jl
+++ b/src/parameterized_tendencies/radiation/radiation.jl
@@ -35,8 +35,10 @@ function radiation_model_cache(
     data_loader,
 )
     context = ClimaComms.context(axes(Y.c))
+    device = context.device
     (; idealized_h2o, idealized_insolation, idealized_clouds) = radiation_mode
     FT = Spaces.undertype(axes(Y.c))
+    DA = ClimaComms.array_type(device){FT}
     rrtmgp_params = CAP.rrtmgp_params(params)
     if idealized_h2o && radiation_mode isa RRTMGPI.GrayRadiation
         error("idealized_h2o can't be used with $radiation_mode")
@@ -82,8 +84,16 @@ function radiation_model_cache(
                 input_center_pressure,
                 input_center_volume_mixing_ratio_o3,
             )
-            ᶜvolume_mixing_ratio_o3_field =
-                @. FT(pressure2ozone(default_cache.ᶜp))
+            if device isa ClimaComms.CUDADevice
+                fv = Fields.field_values(default_cache.ᶜp)
+                fld_array = DA(pressure2ozone.(Array(parent(fv))))
+                data = DataLayouts.rebuild(fv, fld_array)
+                ᶜvolume_mixing_ratio_o3_field =
+                    Fields.Field(data, axes(default_cache.ᶜp))
+            else
+                ᶜvolume_mixing_ratio_o3_field =
+                    @. FT(pressure2ozone(default_cache.ᶜp))
+            end
             center_volume_mixing_ratio_o3 =
                 RRTMGPI.field2array(ᶜvolume_mixing_ratio_o3_field)