Bit of an old thread, just wondering if you did the gatevalve mod Greg? Did it help? I seem to get noise from the airline sucking air. The tube is clean, and I have the valve off, but its still somewhat noisy. Any thoughts?
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60 Gallon rimless, internal Herbie overflow, ATI Powermodule, Eheim 1250, 2X Tunze 6055, Tunze ATO, Euroreef RS100, Profilux controller, TLF Reactor.
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