Ok I also have a similar problem.. I'm planning my first fish house, construction side of it is ok. But when it comes to pumps and all that I'm a wee bit baffled.

My situation..
1) Very limited funds..
2) I've got hold off an old swimming pool pump so planning to rig that up (somehow)
3) None of the tanks I have are drilled...

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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