The skimmer’s pump draws a maximum of 25W and is skimmer is designed for systems up to 100-200 gallons. According to Orphek, this leads to increased efficiency that they put to the test on a larger system. According to the company, that during the testing, the new Helix skimmer was also tested on 1,000-gallon tank for a three-week period and saw an increase in water quality and the health of the system.
http://reefbuilders.com/2013/09/23/orphek-helix/
Here is a write up on it on reef builders more info on it. I know when I get the cash I will be buying one forsure.