General Reef Discussion
Ok, last night momma gave me permission to upgrade from 2x 96w PC to MH. :D I'm thinking either 2x 175w or 250w. I only hava a 75g. Also I an going to get a retro/combo with either PC or T5 atinics. What are your opinions....175w or 250w? , PC or T5, bulb type 10,000k/14,000k or 20,000k?