Wavebox, good or bad?

[Aquattro]

All I'm trying to do is get a more even flow. I have 4 Tunze in the tank, but they're all at the top, and I get a lot of detritus settling on my rock work. I could turkey baste the rock every 6 hours, so figured some more random flow, not top down, might help that. I have a sequence that I can program into my Apex that will apparently give me the waves without the box, but again, I'm concerned with tank integrity.