Mobile Bay Reef Keepers

I got my 10g Refugium up and running yesterday, and have a question. Should I keep the lights for the refugium on 27- 7, or can I just run the lights at night when the lights for the DT are off? I was thinking that if I just ran them at nite it would help keep the temp. in the tank down a bit during the day when the MH lights were on, but I don't want to kill the Chaeto. Figured I would check with ya'll on what was best.

Chaetomorpha is one of the few algae that still work at its best with a 24/7 schedule. For most others, I recommend a 14-18 hour schedule, as they'll need at least 6 hours of darkness. So, basically, a semi-reverse schedule is fine, also.

I feel that the refugium tank didn't have enough water movement in the tank, so I took the HOB filter that came with the tank when I bought it and have that running in the tank. Seems to be doing a good job with just the right amount of water movement. I am not using the filter in the HOB filter.

Update, the refugium tank apperars to be doing good but its to early to tell if the Chaeto is growing. Its still green so I guess thats a good sign

I prefer an 18hr lighting cycle for Chaeto and 12-14hr cycle for Caluerpa. Well, that's what I've observed the best growth rates at.