FOUND cause of filter allowing dirt/bugs in pool

[Poconos]

Simply that if it got plugged then it would block the air flow.

[nicole12]

I called Astral Pool today and they recommended silicone. I would rather do something permanent.

Matt 4X4 had some great ideas. I was also thinking about glueing on a piece of thick rubber to make up the gap, the same as electrical tape but hopefully with the glue permanent.