Running SCA 302 Skimmer with a new pump I run it on number 3 and the upper part of the cone and neck of skimmer get dirty really fast. Which decreases skimmer efficiency. Any suggestions?
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they dont, the concentrated stuff that produces the smell in contained in the skimmerClean it. I clean mine every 2 to 3 days. I keep thinking about that funky smell and that drives me to clean it! Poor fish shouldn't have to put up with the smell.

Turn up your skimmer the bubbles are popping to early and making the neck dirty I just had this problem and now the neck isn’t dirty only the cup part I also opened the air all the way
Is it possible that your skimmer is a little too high out of the water?
I've got two of the 302's and both are in 8" of water and I get very little build up in the neck like that.
Mine has stock pumps and I think they're set around 3 1/2.I will try that. What pump are you running on yours and what number do you run it at? I run mine on number 3
Mine has stock pumps and I think they're set around 3 1/2.

