About a month ago, I had a unique opportunity to get some new led lights. A friend I work with has a brother in China that works for a company that makes the many versions of the 120w led lights out there. I was able to talk with him and customize them to my liking. I went with a 14k look (1:1) ratio of white and blue leds. Added 60 Degree optics around the outer rim. I've had them running for about a month or so and the results are fantastic. I did some PAR readings and this is how they came out....
Light at 5.5" above water:
At the surface = 1320
12" below water = 320
16" below water = 200
22" below water = 170 (Sandbed)
Light at 8" above water:
At the surface = 840
12" below water = 240
16" below water = 160
22" below water = 120 (Sandbed)
Light at 10" above water:
At the surface = 620
12" below water = 200
16" below water = 140
22" below water = 110 (Sandbed)
Those are pretty good readings. Better than I expected. All I can say is that I've had a Idaho Grape coral color up more than ever, a Garf Bonsai that I thought was pretty much dead show
polyp extension and new growth. All of my
Corals have reacted really well so I'm very happy with them. I'll try to post some pics this weekend.
Here are some photos...
I've also gone with the vodka dosing/MB7 method with great results. Totally kicked butt on my hair algae problem!!
Thanks,
Steve
