From what I have learn the basics is that u will need piping from your display tank either from the bottom or the back of the overflow box / chamber running down to your sump and you will need a return pump from the sump running the water back up to display and in your sump chambers you can install the right size of skimmer you want that fits in your sump. skimmer is basically plug and play. submerge the skimmer to the recommend water level and set up the air valve to instructions.
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