1. How many gallons is your main aquarium? 220 gal
2. What kind of filtration are you using? Tunze Master DOC Skimmer 9460 150 gal sump, 120 gal fuge rock and deep sandbed
3. What lighting do you run? 3 x 250w MH and 2 x 110 watt vho
4. What do you have for flow? 2 closed loops each with a hammerhead working on a alternating cycle (6 hours on/off) Dart return
2. What kind of filtration are you using? Tunze Master DOC Skimmer 9460 150 gal sump, 120 gal fuge rock and deep sandbed
3. What lighting do you run? 3 x 250w MH and 2 x 110 watt vho
4. What do you have for flow? 2 closed loops each with a hammerhead working on a alternating cycle (6 hours on/off) Dart return