Ok so i have a 160g acrylic tank that has a built in overflow.I have this empty 20g that i plan on useing for a while.I thought about buying a mag drive 12 or 18, and a maxi jet 12 pro powerhead.And i need help with pvc and connection between the overflow and sump.And for ideas for biomedia for the sump...
so thxks for lookin and pls help........i will have pics of the built in overflow today later on