Hi
no they require a higher level, however the Skimz SM121 you can as you can adjust the air/water mix seperately
http://www.skimz.sg/products/protein...age/sm121.html
Technical Data:
Skimmer pump: 1 Skimz ES2000 needlewheel
Power consumption: 12W
Air intake: 540 l/h
Dimension:
L 153 x W 140 x H 530 mm
Skimmer body diameter (mm): 120
For Aquariums:
200 - 750 litres
Installation:
Designed for in-sump use