the sump does an ace job at keeping the water crystal clear and all my parameters are good... it does take up a hell of a lot off space though... i'd rather have another tank running underneath and externals at the sides...

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Nandopsis Haitiensis - Parachromis Dovii - Paratheraps bifasciatus (Thank you Curvi!) - Motoro Ray -
Corydoras Sterbai + Schwartzi - Ripsaw Cat (Oxydoras niger) - Xiphophorus helleri (Swordtails) - Pelvicachromis pulcher (Kribensis)- Sturgeon - Koi