I recently built an algae scrubber and used lights recommended by Floyd R Turbo. Now of course he has revised his mantra on LEDs and the original lights were not strong enough. Be careful who you take advice from. So, having to re-light my ATS, I decided to build them myself. I went with LEDs and I will have 42 watts of LEDs on each side of my screen. Here is what I am using.
Assembly of LEDS:



Ready for installation:

Assembly of LEDS:



Ready for installation:

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