Aqua Medic Aqua Sun Spot 7 - 7 W 16K, PAR38 base, 5 white/2 blue LEDs. The aquasunspot 7 is a 7x1W 16K, 5 white/2 blue LED spot. It fits in a standard PAR38 screw-in base. The combination of white (10,000K) and blue LEDs results in a perfect color spectrum for coral reef aquariums. The light efficiency is ca. 90 lumen/watts.