The Planted Tank Forum - View Single Post - DIY Cree XML LED Lighting for 150G
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Old 06-15-2012, 04:58 AM   #20
fizzout
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My "fins" arrived and I attached it to the LED heat sink using thermal adhesive. I'm not sure if it made too much of a difference, but I decided to continue to use a fan to keep cooling the LED so that they remain cool to the touch. Here is how the lights look now.

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