It's a Secret to Everybody.

I'd like a decent ultraviolet ink pen. I've seen the Dr. Who sonic screwdriver pen, and it seems simultaneously bulky and flimsy. My thought was to get a UV ink refill that will fit this pen. I can find UV ink in bottles, but not in a refill. Maybe I'm using the wrong terms?

Lbhe uryc vf nccerpvngrq.