How to rid the scum from the water surface

I have a 5.5 gallon saltwater tank with 4 lbs. of live rock. It has been running for a little over a month and I have a cloudy scum on the water surface. Can anyone give me advice on how to get rid of this cloudy water surface?

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How or what are you using for filtration?

 

Simpliest way would be to hook ip a airstone ,air pump

 

You could always build a simpleOZ REEF - Surface Skimmer surface skimmer to remove it

 

I am using a Rio 180 (120 GPH). I am using the 4 punds of live rock as my biological filter and do not have an external filter.

 

Increase your skimmer ablity and add more water flow.

 

You can use something like this if you are planing on a canister filter in the future. Other then that a overflow to a sump would be your best bet and the you could run a skimmer. They also have hang on tank skimmers too.

 

For a cheap solution that you may have to do every few days you can just place a paper-towel on the top of the tank and then toss it out. A good amount of the crud will stick to it. However you will have to do it frequently and also have to worry about the little particles of the paper-towel ending up in the tank. I personally would not do this but I have seen it done.