Theory Confirmed on the Air Line valve:
I couldn't find a valve so I just stuck my finger over the tubing. It was EASY to get the bubble flow to a point that was sufficient for aeration and the ONLY noise I could hear was the Mag 12 running. Now that I know this, I will add a valve myself.
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150 gal Custom. Born 5/7/07. 50gal, 29gal, 20gal Sumps. 30gal Frag Tank. ETSS 800 Skimmer, Deltec APF600 Skimmer. PFO Solaris Lighting on Display and Frag Tank
My Tank Thread
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