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This thread is going to detail the process of converting the canopy over my 75 gallon from 2x T5HO to high output LEDs. The LEDs are going to be controlled by a bluefish mini controller and have 6 different channels. Here is a list of parts and plans so far. Will probably be a slow build over the next few weeks as I'm super busy with work.

Parts List:
2x 20" Premium rapidled heatsinks with enclosure
2x 92mm fans
1x Bluefish mini controller
1x Bluefish mini/LDD O2Surplus controller board
1x 8up LDD board
Varous LDD drivers
8x Cool White Bridgelux BXRA LEDs
4x War White Bridgelux BXRA LEDs
Red 3w LEDs
Royal Blue 3w LEDs
Cyan 3w LEDs
Violet 3w LEDs
48V power supply
Wire, thermal paste, other accessories

The White LEDs I had from previous build plans. I know they aren't as good as the new Veros, so I might upgrade to newer Veros if I'm not happy with this setup. The colored LEDs will be clustered in groups of 4 to hopefully avoid disco effect.

I plan to connect the heatsinks together with a metal rod and bar to span 48" total.

Here are some pictures of the canopy as it currently is. The middle T5 is not installed and I plan to remove the endcaps so the Heatsink can go in the middle.

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Here are the heatsinks. The T slots will be nice to move stuff around and upgrades later on, but are a pain in the ass with all the small screws!

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Planned LED layout as of now

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