So from that pic, I take it that the main is WELL below (2"+) the overflow; the secondary is pretty much AT the overflow level and the emergency is up high but below the rim.
Yeah ?
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-Mark
29 Gal Bowfront w/24" LED Lights. DIY HOB Sump (5.4 Gal) MP40. Orange Spotted Watchman Goby, 2 Clownfish and a few hermits.
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