Mine always like the overflow and would end up in my sump. It would then return to my display after going thru the return pump usually getting shorter each time. At one point i had one with this huge head and a 1/4" body. They also liked my powerheads.
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72 gal bowfromt mixed reef sps dominated, 25 gal mineral mud type sump/refugium Skimmerless
2x250 14000k phoenix hqi 2x96 pc actinic, 50x flow
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