Aquarium Lighting

Please help improve this article by adding citationssome, due to the lights' heat output have had to
to reliable sources. Unsourced material may beadd chillers to keep aquarium water cool.
challenged and removed. (January 2008)Many light fixtures come as all-in-one units with
Aquarium lighting describes any type of light thatlight for both daylight hours and nighttime viewing.
is used to illuminate an aquarium tank or in someLED lamps of 3/4 to 2 watts can be implemented
instances, such as with reef aquariums, supportto come on at night, simulating the glow of the
the life contained within.moon over the tank. All in one fixtures require
Freshwaterlarge fans to cool the bulbs and achieve maximum
Freshwater aquarium lighting often comes in twolight efficiency. LED lighting is also becoming more
forms; one is a screw-in style incandescent bulbcommon for not only lunar lighting but also to
and the other is normal output fluorescent lighting.simulate daylight conditions, LEDs have a higher
Screw-in compact fluorescent lighting is also usedinitial cost than other lighting sources but utilize
in freshwater aquaria since it provides brightermuch less energy. They are also dimmable. LEDs
light output than traditional screw-in style bulbs.produce a very narrow color spectrum that is
More demanding freshwater set-ups, such aslimited to a narrow band of wavelengths. For this
planted freshwater aquariums, may requirereason an array of different colored LEDs is
stronger light sources. Compact fluorescent bulbs,required to be used in combination to simulate
high output T5 bulbs or metal halide lamps arespectral coverage that is suitable for coral growth.
often used over such aquariums to encourageEarly adopters of pure LED based systems have
plant growth. While these lights can provide areported that the limited color spectrum provided
better spectrum than traditional ones, they oftenby LEDs may not produce optimal coral
use more electricity and have a high heat output.growth.v  d  e
ReefAquarium and fishkeeping hobby
The reef aquarium field is where aquarium lightingTypes
varies the greatest. Some reef aquarium keepersFreshwater aquarium Marine aquarium Brackish
use VHO (Very High Output) fluorescent tubes,water aquarium Community tank Biotope Reef
compact fluorescent lighting, and metal halideaquarium
lighting since they provide much brighter light thanAquarium equipment and furniture
average fluorescent bulbs and come in a varietyFilter Berlin Method Protein skimmer Deep sand
of spectrums. Reef keepers often opt for light ofbed Heater Refugium Calcium reactor Bog-wood
varying spectrum. Since many corals require aand Driftwood Airstone Live rock Substrate
deep blue or actinic spectrum of light to thriveFishcam Aquarium fish feeder Aquarium lighting
many aquarists must supplement traditional whiteFish terms
light with light of this color. Also popular with reefHardy fish Dither fish Algae eater Bottom feeder
keepers is T5 High Output fluorescent bulbs.Tropical fish Coldwater fish Painted fish
These bulbs are thinner than traditional T8 bulbsFish food
and provide a much brighter, more powerful light.Flake food Feeder fish Bloodworms Brine shrimp
Another light source in reef aquariums today isTubifex tubifex Daphnia Infusoria
metal halide lighting. These high output lightsLists
closely recreate the shimmering effect of brightList of freshwater aquarium fish species List of
tropical sun over a patch of coral reef. Metal halidefreshwater aquarium plant species List of
bulbs come in a variety of spectra from 5000kfreshwater aquarium invertebrate species List of
on up to "20,000"k and allow for a variety of lightmarine aquarium fish species List of brackish
hungry corals to survive under them. Manyaquarium fish species List of aquarium diseases
aquarists will use metal halide bulbs in conjunctionOther terms
with either power compact fluorescents or T5Aquascaping Spawning triggers Reef safe
fluorescents since halide lighting does not have theMacQuarium Bath treatment
overall balanced effect of other light types. WhileAquarium magazines
very useful to reef aquarium keepers, halidePractical Fishkeeping Tropical Fish Hobbyist Koi
lighting also uses a lot of electricity (150-400Aquarium Fish International
watts being common)and produces copiousPeople
amounts of heat. Most reef keepers mount halideTakashi Amano Herbert R.
bulbs at least one foot above their tank and