... for most of the marine organism, use the blue lights at night, can appear the fluorescence colour of the corals, mollusc ... is more safety to debug and install. 9.Compared with the past aquarium lights, the biggest advantage is waterproof, smaller size, bigger ... blue: 460-470nm; Rate: 1:1 (white: bule).15.Waterproof LED Aquarium Light with 2pcs power cords and 2pcs power switch, controlling ...