Hey, nice to hear of more women getting into the hobby!!. I wouldn't worry too much about the koralia 3 the water that comes out of them is soft feeling not like a maxi jet when it blasts water through a small opening. If you angle your pump either towards the surface or against one of the panes of glass you should be fine.
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90 gal with 55 gal sump dual 250 double ended hqi 14k geisseman, 33 gal prop tank geisseman 150 hqi 14500k,two cpr refugiums,P.M. calcuim reactor,tunze wavebox.
12 gal nano
55 gal freshwater planted/jaguar tank with sump, pc lighting, co2 
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