I live in suffolk, East of england. I've had and aquamedic (anthias 120) for the last 9 months which is a 550 litre tank (including sump). It's got a aquasunlight lamp, 2 x 25o watt halides and 2 x 54 watt actinics. I'm running a turbofloter 1000 sl skimmer, canister filter holding carbon...