I was thinking of getting a few LEDs in a clustered formation that is submersible. It gives of a wide beam and not like those narrow "search light". I figure I'll be able to back light the rock caves and rock pile. They do come in blue or white colour so at least I'll have a choice. I do wonder if they'll eventually come in red, amber, green, and all the other LED colours that are available now (I may have to ask the maker on that.
