Photo period when switching to MH

[christyf5]

Originally Posted by JenniferL

Thanks for the replies. I think I will try starting at 4hrs/day and slowly increasing from there. I hope the heat won't be too much of an issue otherwise I may just sell this and go for a 48" T5HO light fixture. I do like the shimmer though

4 hours at once? That might be a bit much, keep an eye on your corals for bleaching.