I looked at par 38 for my nano but I don't like the dark spots that they create. I went with the sunbrite fixture and it's been a joy. Clamp on and you're running in 5 minutes.
Detroit's oldest large LED tank! Est'd Jan 2005, went LED June 2009. 6' wide 130g reef, Sunbrite T10 LED tubes (3xGen 3 and 1xGen 1), mostly SPS, but chalices, other LPS, and a few softies too. http://pjr-reef.blogspot.com/
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