Hang on back skimmers

[JimD]

For a tank that size I would suggest the Lifereef HVS3-24 hang on, good up to 250 gallons. This is probably one of the best hang ons out there.
www.lifereef.com/lg_vnt3.jpg
www.lifereef.com/venturi.html

[JimD]

You're wecome.