Nice light rack. Where did you order the 80/20? I'm looking to do exactly that. Very nice build
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Rack is on and 1 hydra test fit with machine screws. Will need to double nut for permanent installation. If I can not find black these will work just fine. Height is set for about 10 inches off the top of the tank. That is higher than what I have now (about 5.5 off water) and higher than what I had with the single unit (about 8.5 off water IIRC). I think this will help with color.
Hey wazzel, when I had my hydra I went down to the hardware store and got some black machine bolts. They had a allen hex head, but worked great and were stealthy.