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Unread 05/07/2012, 09:48 AM   #54
rainmkr07
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Join Date: Sep 2007
Location: Virginia
Posts: 474
Quote:
Originally Posted by rl225 View Post
What about depth? I didn't think Radions could punch as deep? My tank is 30" deep. Could radions punch as deep as AIs? Also, are you saying I could use 3 or 4 radions over using 6 or 8 AIs and get the same par on the sand?
30" = 0 PAR. According to Ecotech's own graph:


With that said, I would choose 1 radion over 2 AIs in a heartbeat. But the ratio of 1 radion = 2 AI's is probably pretty accurate.

I have 2 Radions over my 36"x36"x27" tank. The PAR at the sand bed is low, but it grows zoanthids and ricordea just fine. If I added 1 or 2 more radions I bet I could get some SPS growth on the bottom. So while the 30" numbers might be low for 1 Radion, as someone else pointed out, vivid is growing SPS on the bottom of their 30" tank with Radions. The question then is HOW MANY do you need to achieve that. (They have 12 Radions over a 7 foot tank).


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