Originally Posted by Metaphor_
My skis have some base burn and don't seem to be absorbing wax properly. (ie wax the night before, and by the end of the day the wax is dried up.) I've seen much worse base burn but it's affecting things.
Can I fix base burn with any cost-effective tool? Say, a brass brush or something? Or does it absolutely require a shop base grind?
If you mean you're getting some grey on the bases, you can get rid of those fuzzies with some light use of a fibertex pad, as long as it isn't too bad. I've done this on a couple of occasions, and didn't abrade the bases too much. (check with a true bar)
I do find that the more you wax a ski after a grind, the less wax it absorbs. After a fresh grind, my bases are almost like sponges. As I get more wax into the them, they absorb less. It's also possible your bases are dirty though, in which case a hot scrape or three might help.