DIY sump filter just built and works great on the 180. Going to paint the overflow and spray bar black. 1,600 gph adjustable pump. Scrubbies and pillow stuffing/lava rock media. : r/Aquariums
Refugium, Wet dry, Sump Filter Aquarium for Sale in Boynton Beach, FL - OfferUp
Build Your Own Custom Aquarium Filter Sump – Advanced Aquarium Concepts