overflows

[muck]

You could always do what I did. Put eggcrate on the top of the overflow recessed down a little bit so the water spills over the entire 3 edges. I had a problem with snails climbing into the overflow and a small perc that liked to go sump diving so I just used fishing line to sew gutterguard on top of that. Problem solved.

Im not saying its the best way but hey... you wanted suggestions.