red sea c250

Hello, I had a small nano tank 10 years ago. I recently found a RS c250 Max for a wood price. I set it up 2 weeks ago. Current stock: 15 pounds live rock 40 pounds dry rock Aquaforest Bio Sand Equipment: - Red Sea c250 max - stock lights (6 T5) - 2 Siccee 2.0 return pumps - Deltec MC500...