Quote:
Originally Posted by ti-christ
Hello
I have a 180g tank with 6'x2'x2' and 2 feet depth. Currently, I have 3x 250W HQI Pheonix Bulb (14000k). I like the color and I have keeping mosty SPS and LPS. I also have some softies in dark area.
I am looking to change my lighting to LED because of high water temperature issue. So, I am looking to buy the Orphek Pr-156 but I dont know how much fixture I need and I dont know which optics to get 90 or 120???
Your comments will be helpful!
Chris
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I'd use between 4 to 5 units. 120' will fit your depth. You will get much more than your MH fixtures for less electricity.