hi folks would a rio 32 hf split into two return lines at 5ft be enough flow for a 125 gal fowlr with a 45 gal sump. the chart on box shows 1300 gph at 5ft ran it with a sicce 4.0 and overflows were fine but got a ton a micro bubbles in sump/tank even running thru 100 micron filter socks and a sponge. turned of the sicce and micro bubbles seemed to go away
thxs



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