diff --git a/config/gpu_configs/gpu_prognostic_edmfx_aquaplanet.yml b/config/gpu_configs/gpu_prognostic_edmfx_aquaplanet.yml
index 43972f80998..42e38ec7aac 100644
--- a/config/gpu_configs/gpu_prognostic_edmfx_aquaplanet.yml
+++ b/config/gpu_configs/gpu_prognostic_edmfx_aquaplanet.yml
@@ -3,6 +3,9 @@ surface_setup: DefaultMoninObukhov
 rad: clearsky
 turbconv: prognostic_edmfx 
 prognostic_tke: true
+implicit_diffusion: true
+approximate_linear_solve_iters: 2
+max_newton_iters_ode: 3
 edmfx_upwinding: first_order 
 edmfx_entr_model: "Generalized" 
 edmfx_detr_model: "Generalized"