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Old 01/12/2008, 01:55 AM
tmz tmz is offline
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Join Date: Apr 2006
Location: West Seneca NY
Posts: 1,935
If you are integrating it into your main system with sytem water and sytem live rock it will already be cycled except perhaps for some of the sand. I don't use sand in the 20g refugium , just macroalgae(red kelp and chaetomorpha)and a small pile of live rock rubble.
I just plumbed it in and turned on the water from the system.

I use 2 65 w pc bulbs in a small fixture on opposite photo. You can do well with less light.