Why Use LED Aquarium Lights For Fish Tank

Aquariums have remained highly popular in a lot of homes since keeping fish and other aquatic animals are fairly easy to maintain, as compared with having house pets such as dogs or cats. Avid aquarium hobbyists make sure that their fish are kept in excellent condition by keeping their fish tanks equipped with various features such as filters and oxygen tanks. Another important feature that is usually overlooked by some fish keepers is aquarium lighting which helps in providing energy to the organisms living inside the tank. Keeping your aquarium adequately illuminated is truly important since it aids in the photosynthetic mechanisms of aquatic plants, and is beneficial for the overall health and well-being of the aquarium fish. There are a number of different types of LED lighting for aquarium, but one of the more popular ones is LED aquarium lighting.

For those who are not yet familiar with this type of lighting, LED stands for Light Emitting Diode, which is the main component of this fixture. It was initially introduced as supplementary night lighting for fish tanks since light produced by LED bulbs were not that intense to properly illuminate tanks throughout the day. But with the improvement of LED technology, the intensity of the illumination of LED lights sufficiently increased, and LED lighting for aquarium eventually became a popular choice for aquarium light. More and more hobbyists choose LED lighting since most aquarium freshwater plants, corals, and fish thrive with LED illumination.

Moreover, there are a number of advantages of using LED aquarium lights. LED bulbs run at very low wattage so this type of lighting is very cost efficient and can lower your monthly electricity bill. And despite using low wattage and being energy efficient, LED bulbs still produce intense illumination like other forms of aquarium lighting. Also, these LED bulbs produce powerful illumination with a low amount of heat released compared to other types of lighting since they are equipped with fans and heat sinks to lessen the dispersal of heat within the aquarium.

LED bulbs are also very flexible since they can be adjusted to a dimmed illumination depending on the most suitable level for the fish and plants within the tank. Other forms of aquarium lighting are not as adjustable and versatile since they can only produce illumination as to what is specified in their fixtures. Another benefit of using LED lighting is that they do not produce UV radiation unlike other forms of lighting. In addition, LED bulbs produce a wider light spectrum which means that they can illuminate aquariums with a wider depth. Furthermore, LED for aquarium are extremely flexible since they can be installed in a number of different ways and can be placed in different locations within the fish tank.

LED aquarium lighting has truly become the leading choice for illuminating aquariums. Although some units can initially be expensive, LED lights eventually prove to be a wise choice since they use lower energy and offer a greater flexibility as compared to other forms of aquarium lighting.

LED Reef Aquarium Lighting

The choice of lighting for a reef tank will have a significant impact upon coral growth and coloration.

When selecting a lighting system for a reef aquarium, the main factors to consider are:

  • Light Intensity
  • Spectrum
  • Tank Inhabitants

Light Intensity

The intensity of the light depends upon the type and wattage of lighting, depth of the tank, and distance of light source from the water surface. LED aquarium lights are design to reef tank perfectly, the LED light replace the fluorescent light is the 2011 lighting trends. Nowadays LED aquarium light no longer expensive, at www.ledgrowlight-hydro.com, a 120W LED aquarium light with 2W chip only $269.85, and USA and CA FREE SHIPPING.


In order to begin to understand the available spectrum choices of lamps suitable for aquarium use, we must first analyze how light naturally penetrates water. Red light is the first to be filtered out and can only penetrate a short distance. As light waves penetrate deeper into the water, orange and yellow are lost next. Of all the colors of the spectrum blue light penetrates the deepest.

Light spectrum is measured by the Kelvin scale. Natural sunlight on a clear day registers at 5500 Kelvin degrees. Kelvin temperatures less than 5500 become more red and yellow and the higher the Kelvin temperature the more blue the light is. Photosynthetic invertebrates should be kept under lamps rated at or near the Kelvin temperature where the invertebrate was collected. Shallow water species should be kept under 10000K lamps while deep water species would prefer 20000K lighting. Longer photoperiods will not compensate for incorrect light spectrum or intensity.

Actinic Lighting

Actinic lighting peaks in the 420 nanometer range and emits a LED blue light and is usually used as supplemental lighting. Not only is actinic lighting beneficial to photosynthetic invertebrates, it is also aesthetically pleasing to the eye when used to supplement daylight lighting.

Refugium Lighting

Refugium plants benefit from lighting with a Kelvin temperature in the range of 5500 – 6500 degrees.

Coral Species Light Requirement Chart

Species Intensity Water Column
SPS Corals High Upper
LPS Corals Moderate-High Middle
Soft Corals Low-Moderate Lower
Corallimorpharians Low-Moderate Lower
Anemones Low-Moderate Sandbed
Zoanthids Low-Moderate Lower

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