Building ATS and I have cut my slot for my screen 1/8 thick. I am now testing and my flow is not equal going down the screen...I have to tweek the flow in order to get equal...but after a while it goes more to the right side. So I found out, the slot that I cut wasn't straight, so I cut some more and made it more equal....tested still having same problem. My Question is can I cut grooves going down the screen slot about every inch or so to open up more flow?