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#2
08-01-2013, 12:34 PM
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Any electronic supply store will carry an array of heat sink. Should mention that I don't mean visions or best buy I mean MRO electronics.
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I believe Reefkeeping is not a hobby but a way of life It's unfortunate mine is at a stand still! Building a 135 reef 9 years in the making(seem like I'll never get this 1 together! Too Busy with the Nano and Pico tanks 
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#3
08-01-2013, 01:16 PM
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Have you tried Lee's electronics? 4522 Main Street
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#4
08-01-2013, 02:48 PM
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To find them that big I think your going to have to purchase online. I got mine from HeatSinkUSA , best price I could find, and they have plenty of patterns that you can have made to any length. They also publish heat dissipation numbers, so if you are a real nerd like me you can calculate the expected temperature of your herat sink : )
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#7
08-02-2013, 01:46 AM
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What is the heatsink to be used for?
If its for LED's you can use 1" Aluminum U channel. I have a 4 ft 72 LED array and at 100% my channels are only 120F with no fans. I got my U channels in 8ft sections from Princess Auto. You could always place them side by side with heatsink compound on the mating edges. That way you can make the size you want and you will create cooling fins on the backside of the heatsink. Its super light too. 
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View my Aquarium & Reef Controller build here:  The Ultimate DIY Aquarium Controller of the 21st Century!!! LED's, PH, Salinity, Clock, LCD, ATO, Auto Water Changer, Variable Speed Cooling Fan Control and lots, lots more...... Last edited by Vancouver Reefer; 08-02-2013 at 01:48 AM.
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#8
08-02-2013, 01:58 AM
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that looks like a nice setup Vancouver Reefer. I like how you can adjust the angles of your LEDs. Are those 3 watt LEDs? I defiantly will think about using U-channels for the heatsink if I cant find the 6" square type. Do you have anything protecting your drivers from potential water splash? I think those drivers are rated at 67 so I'm sure its ok, but I would be scared having them exposed to the water like that. Thanks for the info
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#9
08-02-2013, 02:23 AM
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Thanks,
My heatsink channels are actually free swinging so that when i open the canopy, my LED's stay pointing downwards, thus preventing blinding me, the free swinging also keeps the light in the tank for cleaning etc. The drivers are rated to working conditions of 95% humidity and my canopy fans run 24/7 and i have zero condensation. They are also fully sealed units too. If in the future i find i have problems with them i will have some glass tops cut to fit. My LED's are 3 watt and i ordered the 72 LED kit from aquastyle online. They have been bullet proof so far and i have no problem recommending them.
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View my Aquarium & Reef Controller build here: The Ultimate DIY Aquarium Controller of the 21st Century!!! LED's, PH, Salinity, Clock, LCD, ATO, Auto Water Changer, Variable Speed Cooling Fan Control and lots, lots more......
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