Hi guys it's been a while...

So I kinda fell out of straight shaving for a while and I've had a brand new hart steel 5/8" that I haven't even used yet. I'm looking to get it shave ready if it's not already.

I do have a DMT 325 and am wondering whether this would work on a Naniwa 12k to smooth things out on the hone and get it up to par. The 12k hone seems to be in good condition but just as some insurance I want to get it perfectly flat and what not. I just don't want to ding up whatever edge may already be on the blade.

Thanks!