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#25
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![]() Okay, so I took some shots of the 40" side of my tank, so just a little longer than yours. My tank is also 18" tall, so at 3" deeper I'm sure your sandbed will have pretty decent coverage.
I also kept in mind that with the height of the fixture itself, and leaving some wiggle room for the cord, it takes up about 2½" of space. So this is the light mounted at 3". With the height of the fixture, the top of it is 5½" above the tank rim. Distance from LED's to sandbed is 21". Noticeable cone shape, hard to see the return lines on the left, rocks on left have poor coverage. ![]() Light at 6", 8" inches from top of fixture to tank rim, 24" to sandbed. Koralia clearly visible, returns visible, coverage isn't too bad. ![]() Light at 8" above rim, 10½" from rim to top of fixture, 24" to sandbed. I think this is good coverage, and it's where I usually have my light mounted anyways. The photograph shows fairly even spread with not a huge amount of contrast, and this is much less noticeable to the naked eye also. If you can swing this height, in a 36" wide tank, I think you'll be happy with the results! ![]() Anyways, I think you're in good shape. Depending on the rockwork, a 36" tank might be acceptable at the 6" height, I guess depending on how picky you are, but the light is badass anyways so you're sure to enjoy it! Looking forward to seeing the tank filled and lit up! |