You would need a surface skimmer if you dont have an overflow system setup. Im guessing you have a HOB skimmer, you can probably get a surface skimmer attachment to go with it to get rid of the oily film
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- John -
3x20g Display Established June 08|Koralia nano, 1, 4|Euroreef Skimmer|250W MH retro kit|Mag 18 return|RODI
120g Display Established Jan 1, 09|Vortech MP40|Koralia 4|I-Tech 100 w Tunze 9410.04A|Aquactinics Constellation 7x54W|Mag 18 return|RODI
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