hello! I installed the blur mod and it's not doing the blurring effect, it is showing the gradient effect though, not sure how to fix this. I have optifine with bsl shaders and use curseforge for my mods (not sure if that matters) and have fast render and antialiasing off.

ingame screenshot
https://imgur.com/a/VrapRmE

mod options
https://imgur.com/a/4lHfoTA
https://imgur.com/a/oaMRf6I

you have to open the imgur links in google to look at them