I found the pre-filter box took up too much room and had trouble adjusting to changing water levels.
My setup is a Hagen surface skimmer intake hooked up to a Mag5 up to the Remora through a ball valve to control flow. The Mag is sitting behind live rock on top of my PVC rock rack so all you see is the tubing going up to the intake. The Hagen surface skimmer has a floating intake so changing water levels and water surface movement does not affect it.
As mentioned, I also muffled the sound with a wet paper towel stuffed on top of the injector.
I elminated micro-bubbles by cutting a slit down an AC filter sponge and slipping it over the Remora's return outlet lip. I change the sponge once a week to prevent nitrate build-up.
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