Are aquarium laser systems harmful to fish and plant life?
They should not hurt plants, but we aren’t sure about fish. Read the warnings on any laser pointer for example that say “Do not shine directly in eyes or permanent eye damage may result”. That may be a clue. Top • Is it ok to have all blue lights in my saltwater tank, I do not have any plants? You should not use ONLY colored lamps to light the tank. Fish need a wide spectrum of light that simulates natural sunlight for a natural photoperiod and in order to manufacture certain vitamins. Invertebrates also need a broad spectrum of light. Top • I have a 5-month old, 100-gal fish-only saltwater aquarium set up outdoors and receives a fair amount of indirect sunlight. Is artificial light still needed for the well-being of the fish? Unless the tank actually receives some direct sun light, I would recommend using aquarium lights for at least four hours a day. Top • I have a 20 Gallon Aquarium with 2 Archers, 2 small Plecos and 1 Bircher. (All are 3″ and under) The tank has been set up and run
