I have no doubt that adding that air valve even if it's wide open is reducing the air into the skimmer but I have no choice, it's too damn loud.
I suck at DIY so I'm looking to see if I can buy one of these silencers.
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180 w/ 400W Coralvue dimmable ballast / mini lumenarc reflectors / Reeflux 10K bulbs
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