LED Aquarium Light FAQ

Which of your LED lights are best suited for Tropical aquariums?

Tropical Aquariums are not light critical so you can use any light that gives enough brightness for you to see and enjoy your fish. The 120W LED aquarium lights with 2W chip and 300W LED aquarium lights are the highest brightness and give you lovely colours to make the most from your aquarium.

Which of your LED lights are best suited for Marine aquariums?

Most Marine aquariums are not light critical but do benefit from higher brightness so the 90W LED aquarium lights with 2W chip and 120W LED aquarium lights are the best option. LED’s enhance the colours of the fish so can make the aquariums look outstanding.

Which of your LED lights are best suited for Reef aquariums?

Reef aquariums are light critical and require the 90W UFO LED aquarium lights for high brightness and correct colour temperature.

Where can I find the technical information about each type of light?

Each of the short descriptions of the product has a link to the technical page of that product. It will give you the actual sizes, the number of leds and the lumen output and wattage used by each size of light.

Is the wattage of an LED an indication of its light output?

No. Wattage refers only to the amount of power used to run the LED and not to its brightness. The light output of an LED is measured in Lumens. There are many different types of LED and some 1Watt Leds have very low lumen output (10 for example) while other 1Watt LEDs have high lumen output (110 for example). Similarly some 3 Watt LEDs have very low lumen output while others have a very high lumen output. When buying an LED aquarium light always check the lumen output and only refer to the wattage as an indication of much it will cost to run.


In fishkeeping, color temperature has different functions and foci, for different branches.

  • In freshwater aquaria, color temperature is generally of concern only for producing a more attractive display. Lights tend to be designed to produce an attractive spectrum, sometimes with secondary attention to keeping plants alive.
  • In saltwater/reef aquaria, color temperatures are an essential part of tank health. Cooler temperatures are seen as getting through the water better, providing essential energy sources to the algae hosted in coral, that sustains it. Because coral receives intense, direct tropical sunlight, the focus was once on simulating this with 6,500K lights. Higher temperature light sources have become more popular as their success became widely known…first 10,000K, more recently 16,000K and 20,000K. Meanwhile,¬†actinic lighting is used to make the somewhat¬†fluorescent colors of many corals and fish “pop”, creating brighter “display” tanks.

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