The Najas has definitely doubled in size and reached the top, so I guess my worries about the secondary light not being enough were unfounded. Still, I'd like something to light it up to show it off. The Anacharis doesn't really seem to have grown as much. At the rate that I know Najas grows, I'm going to have to figure out how to trim the plants from the tiny neck somehow when needed. I don't want the Najas to completely take over.
The three Ramshorns died an hour after I released the gases from the dirt as did four RCS. I had done a water change right after I poked the substrate but I guess that wasn't enough. I've since done another water change and added a few more RCS.