There's no need to for you to buy something that you don't want to use.
Premium Aquatic sponsor us $75 out of $150 GC for the Logo Contest. You should try to call them up and let them put together a Sunlight/Icecap setup for you w/out the bulb. You can't loose w/ PA b/c they're pretty competitive. Jim Norris of Tanku.net have an account w/ both Hello Light and PA. Tim Marvin up the street from you does have an account w/ PA too.