[slief]

Originally Posted by James404

Thanks for the quick responses. I moved the skimmer up to 6.75" and backed the Venturi out 5.5 turns with the air tube set to the first line.

I have no fish in the system yet, just CUC and dirty Pukani rock. Skimmer has been overflowing still so have the drain plug pulled, gonna just let it settle down.

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Since you have dirty pukani rock in there which could be making the skimmer go nuts, I would raise the skimmer up more and skim the stuff out. Then lower it down a tiny bit at a time in a couple weeks in a couple weeks or once it’s settled down.