diff --git a/config/bal_config.yaml b/config/bal_config.yaml
index 4bb1b33..2c9e60e 100644
--- a/config/bal_config.yaml
+++ b/config/bal_config.yaml
@@ -131,7 +131,7 @@ image :
     # Can inject objects onto a grid
     pos_sampling :
       type : HexGrid
-      grid_spacing : 20 # arcsec
+      grid_spacing : 30 # arcsec
 
     # Load WCS from DES chip file
     wcs :