love mine. I have the 2 bulb fixture on 4 of my 40B tanks and It grows everything I put in there, even HC. Grows fine all over, but to the eye, it looks a little dim in the very front and back, by the glass. I wish the fixtures were a little wider. if you were looking for that much light, youd be better off with 2x 2bulb fixtures so you could space them out a bit. I ended up bending the mounting brackets so that it is an inch or 2 higher which helped spread the light better.
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