Scum on top of the tank

trhbay

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Mar 12, 2004
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I am 3 months in to my first SW tank. I have a 46 gallon bowfront that will be a FOWLR setup.

I have a VIA Aqua 750 filter with a Aquarium Systems Maxi-Jet 600 powerhead. I just added a Red Sea Prizim Deluxe protein skimmer abot 2 weeks ago.

My tank currently has 20lbs. of LR and 4 Damsels plus 8 snails and 2 Hermit Crabs.

My main problem is a film (looks like pond scum) on the top of the water. The tank is clear besides this scum on the top.

Any suggestions??

Thanks for this great forum and your help!
 
The scum on the surface is excess proteins. Considering you have just added your skimmer it will likely take a while to clean up the tank. Skimmers take about a week to break in before they become efficient. So keep cleaning the collection cup and let her rip!

You should be fine in a week or 2. You may want to increase the amount of LR. Ideally, you should have 1 to 1 1/2 lbs LR per gallon to help the bio filtration.
 
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