Couldn't locate acrylic locally so I added a glass slab to support the fans and can now move the led fixture towards the center of the tank. I still can't control the angle of the fans but I guess I am happy with what I have now. It's almost invisible and unobtrusive.
![Image](http://images.tapatalk-cdn.com/15/10/03/976f1e2722c08b5d3092facd9fcef305.jpg)
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