Which color LED is best for aquarium lights?
As for the bactericidal function, it is an ultraviolet lamp. The ultraviolet ray itself is invisible to the naked eye. It can not be used for lighting. It should be used for 30 minutes at a time. And the fish should be removed and the people will leave. Otherwise, they will be hurt. It is usually enclosed in a filter.
Aquarium lamp by the relationship between light and biological energy, make their hair to promote the aquarium plants growth, because photosynthesis produces carbohydrates (sugars) which is oxygen to feed plants. Also, light has a definite relationship with the pigmentation of fish and the precipitation and absorption of vitamin D. Therefore, the rational use of the light source in the aquarium is an important condition for the construction of an ecological environment suitable for living in the aquarium.
Aquarium lamp with what color can be light, not too much influence on the fish itself, only some unstable fish color fade easily in bright light, such as some black goldfish, in this case a timer switches. In addition, with the color of the lamp, the fish's own color will be distorted, and personally think that is not conducive to appreciation, generally choose white as well.