Some of the chunks of wood might need to be cleaned up.
You can put them in some stainless steel planters that your client didn't like or want even though you already made them. Then, a miracle. They just fit into the now dry pool like they were always supposed to be there.
Finish by spraying everything with the aerosol can on the left which is either termite poison or lighter fluid. (Thanks to Maurice at Native Resources for the Mesquite.)