Kessil LED spotlight is lookin mighty fine over a 22 gallon nano reef

By on Mar 21, 2011

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Kessil LED is a new company to the aquarium world which will soon be offering their Kessil A150W LED spotlight in white, blueish and blue colors. While the A150w LED spotlight is not yet widely available, that hasn’t stopped the old-schoolers at Atlantis Aquarium from getting a sample 15K A150w over a 22 gallon CadLights nano reef. The video above shows the blueish 15K spotlight from Kessil after two weeks of running on this nano reef.

The diminutive form factor of Kessil’s A150w LED spotlight produces a very pleasant color rendition over corals, a rose bubble anemone and a crisp look to the entire tank while also creating a dramatic spotlight and ripple effect in the entire aquarium. We are highly skeptical that the A150w is actually equivalent to a 150 watt metal halide, especially a higher PAR Iwasaki lamp, but it is possible that two of Kessil’s 32 watt LED spotlights could be comparable to a single 14K to 20K 150 watt metal halide with a mid-grade reflector. Another video of the Kessil A150w LED spotlight over this nano reef after the break.

This video is mostly out of focus but it still offers a feel for the size of the Kessil A150w LED spotlight and the area which it is lighting up.

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  • http://pulse.yahoo.com/_3PQR2S2EAZUDJKVYUCKLCWJ37Q Micheal

    I would be much happier seeing the mounting done from the dead center, and have the power cord come off to the side… but that’s just me :)

  • Jon Hahn

    lets see, 30 watts at something in the range of 80 lumens per watt (guess, dont know but this chip could be more) with optical efficiency of about 90%, puts this in the range of what…2160 lumens total, give or take some.

    Then we have a 150 watt halide. Now, lets take a Ushio 10,000K or 14,000K. That will make about 6800 or 7000 lumens (Ushio’s data). The kicker is that the optical (reflector) efficiency on many reflectors is only about 50%, maybe 60% or so for a really good lumenarc or something. So That puts us at about 3400-3500 lumens. Also consider that a 20,000K is in the 3000 lumen range, and that a 10,000K or 14,000K alone is unlikely… so for something similar to the color of what the LED is giving, we should use a halide that is somewhere in the 4000-5000 lumen range, which after the reflector is right in the range of brightness that these LED’s are putting out.

  • Jon Hahn

    lets see, 30 watts at something in the range of 80 lumens per watt (guess, dont know but this chip could be more) with optical efficiency of about 90%, puts this in the range of what…2160 lumens total, give or take some.

    Then we have a 150 watt halide. Now, lets take a Ushio 10,000K or 14,000K. That will make about 6800 or 7000 lumens (Ushio’s data). The kicker is that the optical (reflector) efficiency on many reflectors is only about 50%, maybe 60% or so for a really good lumenarc or something. So That puts us at about 3400-3500 lumens. Also consider that a 20,000K is in the 3000 lumen range, and that a 10,000K or 14,000K alone is unlikely… so for something similar to the color of what the LED is giving, we should use a halide that is somewhere in the 4000-5000 lumen range, which after the reflector is right in the range of brightness that these LED’s are putting out.

  • Jon Hahn

    lets see, 30 watts at something in the range of 80 lumens per watt (guess, dont know but this chip could be more) with optical efficiency of about 90%, puts this in the range of what…2160 lumens total, give or take some.

    Then we have a 150 watt halide. Now, lets take a Ushio 10,000K or 14,000K. That will make about 6800 or 7000 lumens (Ushio’s data). The kicker is that the optical (reflector) efficiency on many reflectors is only about 50%, maybe 60% or so for a really good lumenarc or something. So That puts us at about 3400-3500 lumens. Also consider that a 20,000K is in the 3000 lumen range, and that a 10,000K or 14,000K alone is unlikely… so for something similar to the color of what the LED is giving, we should use a halide that is somewhere in the 4000-5000 lumen range, which after the reflector is right in the range of brightness that these LED’s are putting out.

  • sp

    “aye those kessil lights rock man i want one of those!”