diff --git a/rose-stem/app/lfric_atm/opt/rose-app-ral3.conf b/rose-stem/app/lfric_atm/opt/rose-app-ral3.conf
index 6414e727e..fc8b49dcc 100644
--- a/rose-stem/app/lfric_atm/opt/rose-app-ral3.conf
+++ b/rose-stem/app/lfric_atm/opt/rose-app-ral3.conf
@@ -134,6 +134,7 @@ reference_reset_time=$DT
 conservative_diffusion=.true.
 density_weighted=.true.
 fullstress=.false.
+leonard_inc_ice=.true.
 leonard_kl=2.0
 leonard_term=.true.
 max_diff_factor=1.0
diff --git a/rose-stem/site/meto/kgos/lfric_atm/azspice/checksum_lfric_atm_ral3-seuk_MG_azspice_gnu_fast-debug-32bit.txt b/rose-stem/site/meto/kgos/lfric_atm/azspice/checksum_lfric_atm_ral3-seuk_MG_azspice_gnu_fast-debug-32bit.txt
index 89e5c0c97..15a9573ca 100644
--- a/rose-stem/site/meto/kgos/lfric_atm/azspice/checksum_lfric_atm_ral3-seuk_MG_azspice_gnu_fast-debug-32bit.txt
+++ b/rose-stem/site/meto/kgos/lfric_atm/azspice/checksum_lfric_atm_ral3-seuk_MG_azspice_gnu_fast-debug-32bit.txt
@@ -1,9 +1,9 @@
-Inner product checksum rho =         4839976C
-Inner product checksum theta =         5135493F
-Inner product checksum u =         612F4546
-Inner product checksum mr1 =         4090F5D8
-Inner product checksum mr2 =         35B989F8
-Inner product checksum mr3 =         2FA5EB0E
-Inner product checksum mr4 =         33F4FD76
-Inner product checksum mr5 =          BEDF85E
+Inner product checksum rho =         4839977A
+Inner product checksum theta =         5135493D
+Inner product checksum u =         612F4542
+Inner product checksum mr1 =         4090F4FE
+Inner product checksum mr2 =         35B4D473
+Inner product checksum mr3 =         2FA6198D
+Inner product checksum mr4 =         33F4FD46
+Inner product checksum mr5 =          BEDF7E6
 Inner product checksum mr6 =                0
diff --git a/rose-stem/site/meto/kgos/lfric_atm/azspice/checksum_lfric_atm_ral3_ens-seuk_MG_azspice_gnu_fast-debug-32bit.txt b/rose-stem/site/meto/kgos/lfric_atm/azspice/checksum_lfric_atm_ral3_ens-seuk_MG_azspice_gnu_fast-debug-32bit.txt
index 2ba5ec93e..ba36c9630 100644
--- a/rose-stem/site/meto/kgos/lfric_atm/azspice/checksum_lfric_atm_ral3_ens-seuk_MG_azspice_gnu_fast-debug-32bit.txt
+++ b/rose-stem/site/meto/kgos/lfric_atm/azspice/checksum_lfric_atm_ral3_ens-seuk_MG_azspice_gnu_fast-debug-32bit.txt
@@ -1,9 +1,9 @@
-Inner product checksum rho =         4839997B
-Inner product checksum theta =         5135489B
-Inner product checksum u =         612F4B64
-Inner product checksum mr1 =         40916436
-Inner product checksum mr2 =         36823DEC
-Inner product checksum mr3 =         2FAD639B
-Inner product checksum mr4 =         33F4FE50
-Inner product checksum mr5 =          BF85D74
+Inner product checksum rho =         48399985
+Inner product checksum theta =         51354897
+Inner product checksum u =         612F4B51
+Inner product checksum mr1 =         409163CD
+Inner product checksum mr2 =         367D7E0E
+Inner product checksum mr3 =         2FAD3562
+Inner product checksum mr4 =         33F4FE54
+Inner product checksum mr5 =          BF85BF8
 Inner product checksum mr6 =                0
diff --git a/rose-stem/site/meto/kgos/lfric_atm/azspice/checksum_lfric_atm_ral3_mixmol-seuk_MG_azspice_gnu_fast-debug-32bit.txt b/rose-stem/site/meto/kgos/lfric_atm/azspice/checksum_lfric_atm_ral3_mixmol-seuk_MG_azspice_gnu_fast-debug-32bit.txt
index c07a50f64..c5a987260 100644
--- a/rose-stem/site/meto/kgos/lfric_atm/azspice/checksum_lfric_atm_ral3_mixmol-seuk_MG_azspice_gnu_fast-debug-32bit.txt
+++ b/rose-stem/site/meto/kgos/lfric_atm/azspice/checksum_lfric_atm_ral3_mixmol-seuk_MG_azspice_gnu_fast-debug-32bit.txt
@@ -1,9 +1,9 @@
-Inner product checksum rho =         48398C70
+Inner product checksum rho =         48398C74
 Inner product checksum theta =         513542F8
-Inner product checksum u =         612EE1BE
-Inner product checksum mr1 =         409102F3
-Inner product checksum mr2 =         359530A4
-Inner product checksum mr3 =         30010773
-Inner product checksum mr4 =         3404ABD3
-Inner product checksum mr5 =          C1462BB
+Inner product checksum u =         612EE1CD
+Inner product checksum mr1 =         40910300
+Inner product checksum mr2 =         358650CB
+Inner product checksum mr3 =         3001097F
+Inner product checksum mr4 =         3404AC2C
+Inner product checksum mr5 =          C1462C6
 Inner product checksum mr6 =                0
diff --git a/rose-stem/site/meto/kgos/lfric_atm/ex1a/checksum_lfric_atm_ral3-seuk_MG_ex1a_cce_fast-debug-32bit.txt b/rose-stem/site/meto/kgos/lfric_atm/ex1a/checksum_lfric_atm_ral3-seuk_MG_ex1a_cce_fast-debug-32bit.txt
index a513780c4..2d5758a43 100644
--- a/rose-stem/site/meto/kgos/lfric_atm/ex1a/checksum_lfric_atm_ral3-seuk_MG_ex1a_cce_fast-debug-32bit.txt
+++ b/rose-stem/site/meto/kgos/lfric_atm/ex1a/checksum_lfric_atm_ral3-seuk_MG_ex1a_cce_fast-debug-32bit.txt
@@ -1,9 +1,9 @@
-Inner product checksum rho =         483997B8
+Inner product checksum rho =         483997B2
 Inner product checksum theta =         51354962
-Inner product checksum u =         612F490E
-Inner product checksum mr1 =         4090FB38
-Inner product checksum mr2 =         35AE36C7
-Inner product checksum mr3 =         2FA6571A
-Inner product checksum mr4 =         33F4FE4B
-Inner product checksum mr5 =          BECFC7D
+Inner product checksum u =         612F4922
+Inner product checksum mr1 =         4090FB85
+Inner product checksum mr2 =         35AB7E5A
+Inner product checksum mr3 =         2FA630D3
+Inner product checksum mr4 =         33F4FE56
+Inner product checksum mr5 =          BECD174
 Inner product checksum mr6 =                0
diff --git a/rose-stem/site/meto/kgos/lfric_atm/ex1a/checksum_lfric_atm_ral3_ens-seuk_MG_ex1a_cce_fast-debug-32bit.txt b/rose-stem/site/meto/kgos/lfric_atm/ex1a/checksum_lfric_atm_ral3_ens-seuk_MG_ex1a_cce_fast-debug-32bit.txt
index 8a3faf288..9ebf8406e 100644
--- a/rose-stem/site/meto/kgos/lfric_atm/ex1a/checksum_lfric_atm_ral3_ens-seuk_MG_ex1a_cce_fast-debug-32bit.txt
+++ b/rose-stem/site/meto/kgos/lfric_atm/ex1a/checksum_lfric_atm_ral3_ens-seuk_MG_ex1a_cce_fast-debug-32bit.txt
@@ -1,9 +1,9 @@
-Inner product checksum rho =         483997DA
-Inner product checksum theta =         51354950
-Inner product checksum u =         612F4977
-Inner product checksum mr1 =         4091114C
-Inner product checksum mr2 =         35E0B089
-Inner product checksum mr3 =         2FA93754
-Inner product checksum mr4 =         33F4FF8E
-Inner product checksum mr5 =          BF183A5
+Inner product checksum rho =         483997E1
+Inner product checksum theta =         5135494C
+Inner product checksum u =         612F497B
+Inner product checksum mr1 =         40911133
+Inner product checksum mr2 =         35D964C0
+Inner product checksum mr3 =         2FA94882
+Inner product checksum mr4 =         33F4FF7D
+Inner product checksum mr5 =          BF17CA5
 Inner product checksum mr6 =                0
diff --git a/rose-stem/site/meto/kgos/lfric_atm/ex1a/checksum_lfric_atm_ral3_mixmol-seuk_MG_ex1a_cce_fast-debug-32bit.txt b/rose-stem/site/meto/kgos/lfric_atm/ex1a/checksum_lfric_atm_ral3_mixmol-seuk_MG_ex1a_cce_fast-debug-32bit.txt
index 3ed609d16..2a29fb8bf 100644
--- a/rose-stem/site/meto/kgos/lfric_atm/ex1a/checksum_lfric_atm_ral3_mixmol-seuk_MG_ex1a_cce_fast-debug-32bit.txt
+++ b/rose-stem/site/meto/kgos/lfric_atm/ex1a/checksum_lfric_atm_ral3_mixmol-seuk_MG_ex1a_cce_fast-debug-32bit.txt
@@ -1,9 +1,9 @@
-Inner product checksum rho =         48398C69
+Inner product checksum rho =         48398C66
 Inner product checksum theta =         51354302
-Inner product checksum u =         612EDCB7
-Inner product checksum mr1 =         40910378
-Inner product checksum mr2 =         3590B532
-Inner product checksum mr3 =         30010AD7
-Inner product checksum mr4 =         3404AC2D
-Inner product checksum mr5 =          C14A26E
+Inner product checksum u =         612EDCB3
+Inner product checksum mr1 =         40910357
+Inner product checksum mr2 =         35902A35
+Inner product checksum mr3 =         3000F13E
+Inner product checksum mr4 =         3404AC8B
+Inner product checksum mr5 =          C14A277
 Inner product checksum mr6 =                0
diff --git a/science/gungho/rose-meta/lfric-gungho/HEAD/rose-meta.conf b/science/gungho/rose-meta/lfric-gungho/HEAD/rose-meta.conf
index d6b9f9d1f..e0a8557dd 100644
--- a/science/gungho/rose-meta/lfric-gungho/HEAD/rose-meta.conf
+++ b/science/gungho/rose-meta/lfric-gungho/HEAD/rose-meta.conf
@@ -3729,6 +3729,27 @@ help=Switch to enable full tensor expression for stress in the turbulence
 sort-key=Panel-A03
 type=logical
 
+[namelist:mixing=leonard_inc_ice]
+compulsory=true
+description=Include ice in the Leonard term.
+help=If enabled the Leonard term includes ice mixing ratio
+    =in its conserved variables and mixing calculations.
+!kind=default
+ns=namelist/Science/Dynamics/Mixing
+sort-key=Panel-A07a
+type=logical
+
+[namelist:mixing=leonard_inc_with_bl]
+compulsory=true
+description=Add increment of Leonard term together with boundary layer.
+help=If enabled the Leonard term increment is passed to boundary layer implicit
+    =solver and solved together with cloud scheme.
+    =Note the increments are calculated from time-level n fields in any case.
+!kind=default
+ns=namelist/Science/Dynamics/Mixing
+sort-key=Panel-A07b
+type=logical
+
 [namelist:mixing=leonard_kl]
 compulsory=true
 description=Leonard term parameter
@@ -3756,6 +3777,8 @@ help=Calculate turbulent vertical fluxes due to Leonard terms,
 !kind=default
 sort-key=Panel-A06
 trigger=namelist:mixing=leonard_kl: .true. ;
+       =namelist:mixing=leonard_inc_ice: .true. ;
+       =namelist:mixing=leonard_inc_with_bl: .true. ;
 type=logical
 
 [namelist:mixing=max_diff_factor]
@@ -5050,6 +5073,7 @@ help=Determines where the boundary layer implicit solver is called from.
 !kind=default
 ns=namelist/Science/Timestep placement
 sort-key=Panel-A03
+trigger=namelist:mixing=leonard_inc_with_bl: 'fast','b4conv' ;
 value-titles=Fast physics, Before convection, Slow physics
 values='fast','b4conv','slow'
 
diff --git a/science/gungho/rose-meta/lfric-gungho/versions.py b/science/gungho/rose-meta/lfric-gungho/versions.py
index 0197e8a9f..07695c639 100644
--- a/science/gungho/rose-meta/lfric-gungho/versions.py
+++ b/science/gungho/rose-meta/lfric-gungho/versions.py
@@ -61,3 +61,14 @@ def upgrade(self, config, meta_config=None):
         self.add_setting(config, ["namelist:mixing", "fullstress"], ".false.")
 
         return config, self.reports
+class vn32_t725(MacroUpgrade):
+    # Upgrade macro for #725 by Ian Boutle
+
+    BEFORE_TAG = "vn3.2_t479"
+    AFTER_TAG = "vn3.2_t725"
+
+    def upgrade(self, config, meta_config=None):
+        # Add settings
+        self.add_setting(config,["namelist:mixing", "leonard_inc_ice"], ".false.")
+        self.add_setting(config,["namelist:mixing", "leonard_inc_with_bl"], ".false.")
+        return config, self.reports
diff --git a/science/gungho/source/algorithm/diffusion/leonard_term_alg_mod.x90 b/science/gungho/source/algorithm/diffusion/leonard_term_alg_mod.x90
index b3079f19c..0d68eaa48 100644
--- a/science/gungho/source/algorithm/diffusion/leonard_term_alg_mod.x90
+++ b/science/gungho/source/algorithm/diffusion/leonard_term_alg_mod.x90
@@ -13,7 +13,7 @@ module leonard_term_alg_mod
   use field_collection_mod,       only: field_collection_type
   use integer_field_mod,          only: integer_field_type
   use mesh_mod,                   only: mesh_type
-  use mr_indices_mod,             only: nummr, imr_v, imr_cl
+  use mr_indices_mod,             only: nummr, imr_v, imr_cl, imr_s
 
   use formulation_config_mod,     only: moisture_formulation,    &
                                         moisture_formulation_dry
@@ -24,7 +24,7 @@ module leonard_term_alg_mod
                                         get_face_selector_ns
   use physics_constants_mod,      only: get_dtrdz_fd2
 
-  use mixing_config_mod,          only: leonard_kl
+  use mixing_config_mod,          only: leonard_kl, leonard_inc_ice
 
   use timing_mod,                 only: start_timing, stop_timing, tik, LPROF
   use log_mod,                    only: log_event, LOG_LEVEL_INFO
@@ -62,7 +62,7 @@ subroutine leonard_term_alg(config,                             &
     use leonard_term_kl_kernel_mod, only: leonard_term_kl_kernel_type
     use leonard_term_th_kernel_mod, only: leonard_term_th_kernel_type
     use leonard_term_u_kernel_mod,  only: leonard_term_u_kernel_type
-    use planet_constants_mod, only: lcrcp_def
+    use planet_constants_mod, only: lcrcp_def, lsrcp_def
     use extrusion_config_mod, only: planet_radius
     use nlsizes_namelist_mod, only: bl_levels
 
@@ -116,6 +116,8 @@ subroutine leonard_term_alg(config,                             &
     type( field_type ) :: mt
     ! w increment
     type( field_type ) :: vel_w2v_inc_leonard
+    ! ice mixing ratio
+    type( field_type ) :: mr_ice
 
     if ( LPROF ) call start_timing( id, 'leonard_term' )
 
@@ -147,6 +149,13 @@ subroutine leonard_term_alg(config,                             &
     call theta%copy_field_properties(thetal)
     call theta%copy_field_properties(mt)
     call theta%copy_field_properties(vel_w2v_inc_leonard)
+    call theta%copy_field_properties(mr_ice)
+
+    if (leonard_inc_ice) then
+      call invoke( setval_X( mr_ice, mr(imr_s)) )
+    else
+      call invoke( setval_C( mr_ice, 0.0_r_def ) )
+    end if
 
     !--------------------------------------------------------------------
     ! Apply stability-limit to leonard_kl:
@@ -201,9 +210,10 @@ subroutine leonard_term_alg(config,                             &
     ! Flux of liquid + ice water potential temperature:
     !--------------------------------------------------------------------
                  ! Calculate thetaL =
-                 ! theta - ((lc/cp)*mcl) / exner
+                 ! theta - ((lc/cp)*mcl [-(ls/cp)*msnow]) / exner
                       X_times_Y(thetal, theta, exner_in_wth),           &
                  inc_X_minus_bY(thetal, lcrcp_def, mr(imr_cl)),         &
+                 inc_X_minus_bY(thetal, lsrcp_def, mr_ice),             &
                  inc_X_divideby_Y(thetal, exner_in_wth),                &
                  ! Call Leonard term code for scalars
                  leonard_term_th_kernel_type( thetal_inc_leonard,       &
@@ -222,8 +232,9 @@ subroutine leonard_term_alg(config,                             &
     ! Flux of total water content:
     !--------------------------------------------------------------------
     if ( moisture_formulation /= moisture_formulation_dry ) then
-                 ! Calculate mt = mv+mcl
+                 ! Calculate mt = mv+mcl(+msnow)
       call invoke(     X_plus_Y(mt, mr(imr_v), mr(imr_cl)),             &
+                   inc_X_plus_Y(mt, mr_ice),                            &
                    ! Call Leonard term code for scalars
                    leonard_term_th_kernel_type( mt_inc_leonard,         &
                                                 mt,                     &
diff --git a/science/gungho/source/algorithm/physics/fast_physics_alg_mod.X90 b/science/gungho/source/algorithm/physics/fast_physics_alg_mod.X90
index 7f1c85891..cfa300057 100644
--- a/science/gungho/source/algorithm/physics/fast_physics_alg_mod.X90
+++ b/science/gungho/source/algorithm/physics/fast_physics_alg_mod.X90
@@ -67,7 +67,7 @@ module fast_physics_alg_mod
                             only: enforce_lower_bound_kernel_type
   use moisture_conservation_alg_mod, &
                             only: moisture_conservation_alg
-  use mixing_config_mod,    only: smagorinsky
+  use mixing_config_mod,    only: smagorinsky, leonard_term, leonard_inc_with_bl
   use smagorinsky_alg_mod,  only: smagorinsky_alg
   use timestepping_config_mod, &
                             only : outer_iterations
@@ -190,7 +190,10 @@ contains
     ! ...for boundary layer stochastic perturbation
     type( field_type ) :: dtheta_blpert
     type( field_type ) :: dmv_blpert
-
+    ! ...for Leonard term flux
+    type( field_type ), pointer :: u_inc_leonard
+    type( field_type ), pointer :: mt_inc_leonard
+    type( field_type ), pointer :: thetal_inc_leonard
     ! ...surface fields passed from BL to Jules
     type( field_type ) :: surf_heat_flux
     type( field_type ) :: canopy_evap
@@ -264,6 +267,17 @@ contains
     ! UM implicit boundary layer
     !--------------------------------------------------------------------
     if (boundary_layer == boundary_layer_um) then
+
+      ! Possibly add Leonard increments here
+      if (leonard_term .and. leonard_inc_with_bl) then
+        call turbulence_fields%get_field('u_inc_leonard', u_inc_leonard)
+        call turbulence_fields%get_field('mt_inc_leonard', mt_inc_leonard)
+        call turbulence_fields%get_field('thetal_inc_leonard', thetal_inc_leonard)
+        call invoke(inc_X_plus_Y(mr(imr_v), mt_inc_leonard), &
+                    inc_X_plus_Y(theta_latest, thetal_inc_leonard), &
+                    inc_X_plus_Y(u_latest, u_inc_leonard) )
+      end if
+
       if(blayer_placement == blayer_placement_b4conv) then
         call bl_imp_alg(config,                                             &
                         dtheta, du, theta_latest, u_latest, mr,             &
diff --git a/science/gungho/source/algorithm/physics/slow_physics_alg_mod.X90 b/science/gungho/source/algorithm/physics/slow_physics_alg_mod.X90
index 14aabd6da..1b8dbd52e 100644
--- a/science/gungho/source/algorithm/physics/slow_physics_alg_mod.X90
+++ b/science/gungho/source/algorithm/physics/slow_physics_alg_mod.X90
@@ -31,7 +31,7 @@ module slow_physics_alg_mod
   use mesh_mod,                  only: mesh_type
   use driver_modeldb_mod,        only: modeldb_type
   use field_parent_mod,          only: write_interface
-  use mixing_config_mod,         only: leonard_term
+  use mixing_config_mod,         only: leonard_term, leonard_inc_with_bl
   use print_field_stats_alg_mod, only: print_field_stats_alg
   use physics_config_mod,        only: microphysics_placement,         &
                                        microphysics_placement_slow,    &
@@ -289,9 +289,9 @@ contains
     ! ...for methane oxidation
     type( field_type ) :: dmv_methox
     ! ...for Leonard term flux
-    type( field_type ) :: u_inc_leonard
-    type( field_type ), pointer :: mt_inc_leonard => null()
-    type( field_type ), pointer :: thetal_inc_leonard => null()
+    type( field_type ), pointer :: u_inc_leonard
+    type( field_type ), pointer :: mt_inc_leonard
+    type( field_type ), pointer :: thetal_inc_leonard
     ! ...for evaporation condensation
     type( field_type ) :: dtheta_cld
     type( field_type ) :: dmr_cld(nummr)
@@ -926,7 +926,7 @@ contains
     !--------------------------------------------------------------------
 
     if (leonard_term .and. boundary_layer == boundary_layer_um ) then
-      call u%copy_field_properties(u_inc_leonard)
+      call turbulence_fields%get_field('u_inc_leonard', u_inc_leonard)
       call turbulence_fields%get_field('mt_inc_leonard', mt_inc_leonard)
       call turbulence_fields%get_field('thetal_inc_leonard', thetal_inc_leonard)
       call leonard_term_alg(modeldb%config,                     &
@@ -1073,11 +1073,10 @@ contains
       call dmv_methox%field_final()
     end if
 
-    if (leonard_term_done) then
+    if (leonard_term_done .and. .not. leonard_inc_with_bl) then
       call invoke(inc_X_plus_Y(mr(imr_v), mt_inc_leonard), &
                   inc_X_plus_Y(dtheta, thetal_inc_leonard), &
                   inc_X_plus_Y(du, u_inc_leonard) )
-      call u_inc_leonard%field_final()
     end if
 
     if (evap_condense_done) then
diff --git a/science/gungho/source/driver/create_physics_prognostics_mod.F90 b/science/gungho/source/driver/create_physics_prognostics_mod.F90
index 6c2ffd64d..11940d325 100644
--- a/science/gungho/source/driver/create_physics_prognostics_mod.F90
+++ b/science/gungho/source/driver/create_physics_prognostics_mod.F90
@@ -30,7 +30,7 @@ module create_physics_prognostics_mod
                                              LOG_LEVEL_WARNING,                 &
                                              LOG_LEVEL_ERROR
   use mesh_mod,                       only : mesh_type
-  use mixing_config_mod,              only : smagorinsky
+  use mixing_config_mod,              only : smagorinsky, leonard_term
   use physics_config_mod,             only : stochastic_physics_placement,      &
                                              stochastic_physics_placement_fast
   use pure_abstract_field_mod,        only : pure_abstract_field_type
@@ -674,8 +674,12 @@ subroutine process_physics_prognostics(processor)
     call processor%apply(make_spec('rhokm_bl', main%turbulence, Wtheta))
     call processor%apply(make_spec('dtrdz_tq_bl', main%turbulence, Wtheta))
     call processor%apply(make_spec('dw_bl', main%turbulence, Wtheta))
-    call processor%apply(make_spec('thetal_inc_leonard', main%turbulence, Wtheta))
-    call processor%apply(make_spec('mt_inc_leonard', main%turbulence, Wtheta))
+    call processor%apply(make_spec('thetal_inc_leonard', main%turbulence, &
+                         Wtheta, empty=(.not. leonard_term)))
+    call processor%apply(make_spec('mt_inc_leonard', main%turbulence, Wtheta, &
+                         empty=(.not. leonard_term)))
+    call processor%apply(make_spec('u_inc_leonard', main%turbulence, W2, &
+                         empty=(.not. leonard_term)))
 
     ! 3D fields on W3 (rho) levels
     call processor%apply(make_spec('moist_flux_bl', main%turbulence, W3))
diff --git a/science/gungho/unit-test/kernel/diffusion/diffusion_momentum_flux_kernel_mod_test.pf b/science/gungho/unit-test/kernel/diffusion/diffusion_momentum_flux_kernel_mod_test.pf
index b54a69d32..5ff133173 100644
--- a/science/gungho/unit-test/kernel/diffusion/diffusion_momentum_flux_kernel_mod_test.pf
+++ b/science/gungho/unit-test/kernel/diffusion/diffusion_momentum_flux_kernel_mod_test.pf
@@ -126,6 +126,8 @@ contains
                               smag_l_calc   = smag_l_calc_UseDx, &
                               leonard_term  = .false.,           &
                               leonard_kl    = 4.0_r_def,         &
+                              leonard_inc_ice = .false.,         &
+                              leonard_inc_with_bl = .false.,     &
                               conservative_diffusion = .true.,   &
                               density_weighted = .true.,         &
                               max_diff_factor=1.0_r_def )
diff --git a/science/gungho/unit-test/kernel/diffusion/divergence_momentum_flux_kernel_mod_test.pf b/science/gungho/unit-test/kernel/diffusion/divergence_momentum_flux_kernel_mod_test.pf
index 68b710dda..30f0798af 100644
--- a/science/gungho/unit-test/kernel/diffusion/divergence_momentum_flux_kernel_mod_test.pf
+++ b/science/gungho/unit-test/kernel/diffusion/divergence_momentum_flux_kernel_mod_test.pf
@@ -113,6 +113,8 @@ contains
                               smag_l_calc   = smag_l_calc_UseDx, &
                               leonard_term  = .false.,           &
                               leonard_kl    = 4.0_r_def,         &
+                              leonard_inc_ice = .false.,         &
+                              leonard_inc_with_bl = .false.,     &
                               conservative_diffusion = .true.,   &
                               density_weighted = .true.,         &
                               max_diff_factor=1.0_r_def )
diff --git a/science/gungho/unit-test/kernel/diffusion/leonard_term_kl_kernel_mod_test.pf b/science/gungho/unit-test/kernel/diffusion/leonard_term_kl_kernel_mod_test.pf
index b5d65552e..b9a4fd982 100644
--- a/science/gungho/unit-test/kernel/diffusion/leonard_term_kl_kernel_mod_test.pf
+++ b/science/gungho/unit-test/kernel/diffusion/leonard_term_kl_kernel_mod_test.pf
@@ -53,6 +53,8 @@ contains
                               smag_l_calc   = smag_l_calc_UseDx, &
                               leonard_term  = .false.,           &
                               leonard_kl    = 4.0_r_def,         &
+                              leonard_inc_ice = .false.,         &
+                              leonard_inc_with_bl = .false.,     &
                               conservative_diffusion = .false.,  &
                               density_weighted = .false.,        &
                               max_diff_factor = 1.0_r_def,       &
diff --git a/science/gungho/unit-test/kernel/diffusion/tracer_smagorinsky_diff_kernel_mod_test.pf b/science/gungho/unit-test/kernel/diffusion/tracer_smagorinsky_diff_kernel_mod_test.pf
index 8e41f751a..761dae865 100644
--- a/science/gungho/unit-test/kernel/diffusion/tracer_smagorinsky_diff_kernel_mod_test.pf
+++ b/science/gungho/unit-test/kernel/diffusion/tracer_smagorinsky_diff_kernel_mod_test.pf
@@ -54,6 +54,8 @@ contains
                               smag_l_calc   = smag_l_calc_UseDx, &
                               leonard_term  = .false.,           &
                               leonard_kl    = 1.0_r_def,         &
+                              leonard_inc_ice = .false.,         &
+                              leonard_inc_with_bl = .false.,     &
                               conservative_diffusion = .false.,  &
                               density_weighted = .false.,        &
                               max_diff_factor = 1.0_r_def,       &