This is the product description text that will appear here.
Quantity
1
The Cannonball is a 3D printed cover for The Plank. It helps to prevent nuisance algae from growing inside the tube due to overhead lighting. It also reduces salt spray from coating Reef Jerky at the end of the barrel. Installation Simply rest the Cannonball on the top of the mounting platform. It can be easily removed to check the flo
4.5
28 ratings
5
4
3
2
1
Avast marine plank
This item was just what my reef was needing. With work and having a high metabolism fish, this is what I need to make sure it stays healthy while gone. The feeder is reliable and consistent.
D
Dylan · October 26, 2026
Recommend 3D printing yourself if you have a printer… they provide the STL
Andrew · October 26, 2026
Makes sense
Great idea to stop light from growing algae in the saturation tube.
