Yes, most of the bittering is coming from the Centennial-60 (21 IBU), Cascade-15 (7 IBU), Centennial-5 (4 IBU). I was going to move to FO but thought I would try FWH since the AA is so low.
I think I will give it a go at FO and might try FWH on another my standard brew just see if I notice a...