Regarding the same time, LED lights began to show up for some other low phosphorescent uses, such as under cabinet lights, night lights, and the like. A span of years ago, several companies began working with LED insignificant fixtures that used several high output LEDs to phosphorescence an aquarium, with the idea of replacing metal halide and power dense fixtures. The LED first appeared significantly in the aquarium market about 10 years ago, as a "moon ignition," which many people mistakenly or jokingly referred to as a "disposition light. Before long, the LED lights had made their metamorphosis to aquarium toys: there were a number of small aerating ornaments introduced that featured LEDs. Some inventive aquarists began experimenting with using these on the aquarium, and some manufacturers took awareness. The idea was that they would simulate moon candle at night, and potentially stimulate corals and nocturnal animals to create (hence the pun of "mood" light). Many aquarists using household fixtures found their...
Source: FishChannel.com