Aqua Medic Aqua Sun Spot 12 - 12 W 16K, PAR38, 8 white/4 blue LEDs. The aquasunspot 12 is a 12x1W 16K 8 white/4 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.