The 200M rectangular filter sock by Eshopps will last about a week before needing to be swapped and it's synthetic so it's strong. But because I've learned to allow microorganisms to flow right through the sump 20hrs a day to feed the dt's sponges and gorgs, I have a tee that's directed both to the sock and the skimmer chamber. During feeding, I close a valve and all the flow is directed to the sock and keeps the sump clean...great DT polisher too.
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"The Cavernous Reef" - 180g RC Build In-Progress: Miracles (72x24x24) 3-Sided Starphire; 2X exterior overflows; closed loop w Speedwave 1320; SRO 3000int; Speedwave 2640 return; Aquatronica controller with 3x dosing pumps; 2X Maxspect Razor 160w; 2X MP40wes, 2X MP20; 54" acrylic sump with ATS. Corner 90g Reef.
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