Hmm. I got mine cranked on full (ie at 12:00)
Before the mod, I could only turn it to about 10:30.
The 'slip on' upper connection worried my at first. But I have yet to see any traces of salt creep which would indicate a leak.
If you're leaking perhaps a wrap of teflon tape?
I haven't noticed any micro bubbles in my tank, but my skimmer is in my sump with a bubble trap before the exit.
Is you skimmer HOB of the tank itself?
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