Check this out.Yes I always use green light.I used to use them foam covered headlights that floated around also.Your submersible lights bring plankton,the plankton brings minnows then shad,then every bluegill in the lake.The catfish and big bass start tearing into the gills and if you have a live one sitting under your light on the bottow he is history,lol.Make sure you have at least 12 pound test and a 1/0 circle hook,you'll need it.