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Unread 03/08/2016, 04:10 AM   #31
Ron Reefman
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Join Date: Jul 2009
Location: Cape Coral, FL
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Tell me if I assume correctly, your 20g is 15" deep and 24" long, right? And the Skkye 18w fixture is just 6 leds (3 watts each)? I think you will need at least 2 fixtures to cover the tank evenly. As for being able to keep sps, tough call, maybe with 3 fixtures. I think lps should be OK, if you ever try an sps, keep it close to directly under the leds.

I have a fair amount of led and sps experience, even with shallow tanks. But I have no experience with such a small led fixture. But my 24"x24"x12" frag tank has an led fixture with 48 leds and runs at 120 watts if that give you something to compare it with.


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