Welcome to the forum Regal.

Myself I know nothing of marine setups, but there's a fair few lads on here who do, so worry not. They'll sort out any question's or issue's you have.

Your got your missus on side, that's the hardest part out of the way

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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