Thats fine. It provides mostly surface movement so as long as the entire top ripples, youre good. That's why it isn't counted in turnover is because it doesn't move much water below the top 3-4" or so.
thanks everybody for the input on the corals now i have top try and make up my mind on what to start with cuz i love alot of what see (only if i were rich lmao) but i have some to think as i work on getting my powerheads