Keep an eye on the bloodworms Paul, only feed what she is going to eat at one sitting, syphon out any excess, live mozzies are fine for nibbling on all day.
Water changes sound ok, keep her jar covered to stop her from jumpimg out, or him in.
Get one of those polystyrene cups, cut it long ways, and float against one side of their container, with the open end to the wall, curved so as to form a cave. If he is ready, he'll use this as a nest building area, keeps the nest tidy, warm, etc.
Alan