diff --git a/Exec/science/subchandra/inputs_2d.N14 b/Exec/science/subchandra/inputs_2d.N14
index e2c5bae97c..7ba84a911e 100644
--- a/Exec/science/subchandra/inputs_2d.N14
+++ b/Exec/science/subchandra/inputs_2d.N14
@@ -30,7 +30,7 @@ castro.do_grav  = 1
 castro.do_react = 1
 castro.do_sponge = 1
 
-castro.react_rho_min = 1.0
+castro.react_rho_min = 100.0
 castro.react_T_min = 5.e7
 
 castro.ppm_type = 1
diff --git a/Exec/science/subchandra/inputs_2d.N14.coarse b/Exec/science/subchandra/inputs_2d.N14.coarse
index 77781e0e3f..881ff24f5a 100644
--- a/Exec/science/subchandra/inputs_2d.N14.coarse
+++ b/Exec/science/subchandra/inputs_2d.N14.coarse
@@ -30,7 +30,7 @@ castro.do_grav  = 1
 castro.do_react = 1
 castro.do_sponge = 1
 
-castro.react_rho_min = 1.0
+castro.react_rho_min = 100.0
 castro.react_T_min = 5.e7
 
 castro.ppm_type = 1
diff --git a/Exec/science/subchandra/inputs_2d.N14_NSE b/Exec/science/subchandra/inputs_2d.N14_NSE
index 6328abe0d4..b16fa63961 100644
--- a/Exec/science/subchandra/inputs_2d.N14_NSE
+++ b/Exec/science/subchandra/inputs_2d.N14_NSE
@@ -29,7 +29,7 @@ castro.do_grav  = 1
 castro.do_react = 1
 castro.do_sponge = 1
 
-castro.react_rho_min = 1.0
+castro.react_rho_min = 100.0
 castro.react_T_min = 5.e7
 
 castro.ppm_type = 1
diff --git a/Exec/science/subchandra/inputs_3d.N14.coarse b/Exec/science/subchandra/inputs_3d.N14.coarse
index dfbdcc6cc9..2c243d0af0 100644
--- a/Exec/science/subchandra/inputs_3d.N14.coarse
+++ b/Exec/science/subchandra/inputs_3d.N14.coarse
@@ -32,7 +32,7 @@ castro.do_grav  = 1
 castro.do_react = 1
 castro.do_sponge = 1
 
-castro.react_rho_min = 1.0
+castro.react_rho_min = 100.0
 castro.react_T_min = 5.e7
 
 castro.ppm_type = 1