A luthier once said he used this to clean my frets and it felt fabulous afterwards... Can I hurt my guitar fretboard doing this alone, using too much, or is it relatively safe?
I use scotch-brite pads, along with 4000-grit finishing pads, and a buffing wheel for fretboards and frets...the scotch brite will be OK for cleaning the oxidation off the frets...use some lemon oil and a soft cloth to clean all the gunk off after you're done...
Thanks, this doesn't actually sand the wood off the fretboard does it? I have some small dings (indentations) in my 0 fret that my strings seem to slip out of and make a very annoying clicking noise also, do you think the pads might help with this? I got them re crowned and a week later they already had new indents. Thanks again. @psychebilly
No...the Scotch-Brite pad won't remove wood (unless you really bear down hard, and even then, it would take a long time).
Your zero fret issues are a different thing than your original question...soft frets...heavy strings...tension...could be a combination of those things.
If you're looking to polish frets because they get sticky after several months of bending notes & such, you can also try good 0000 grade steel wool. Note that there are big differences in the quality of steel wool. I use Liberon because it is consistent and it cuts well, but there are a few good makers of steel wool. Just don't overdo it and don't do it too often, because you are removing metal. At the risk of being repetitive, don't get big-box store steel wool. Restoration grade steel wool is an entirely different sport. A roll of it might cost $20 vs the $5 you'll pay for a bag of generic, but for what you're doing, it's well worth the extra few bucks.
If you're concerned about harming your fretboard as you polish the frets, get some fret protectors. If you're careful and you use a fret protector, you'll be fine.
If you can find it, use bronze wool rather than steel as it's less likely to stain your guitar and it's non-magnetic. Bob is correct, use the best possible grade available.
I've bought a fretboard guard from Stewart McDonald, and I pick up the lightest nail files that you can find. I found out that my wife's nail files have a very very fine surface on the back - I guess you are supposed to file your nails with one side and then smooth up the filed area with the fine side. I put the front guard over the fret, and use the very fine side on each fret. It's smooth and polishes them very nicely. Then I finish up with fretboard conditioner as described above. I've tried many brands, and I prefer the Paul Reed Smith Guitars PRS fretboard conditioner. I'm sure it is just made for them by somebody else. You can also buy small ultra fine grit sanding pads from many other sources. Among other places, they are commonly used to recondition clear plastic headlamps.
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Your zero fret issues are a different thing than your original question...soft frets...heavy strings...tension...could be a combination of those things.
https://www.toolsforworkingwood.com/store/dept/TFA/item/LB-0440.XX
If you're concerned about harming your fretboard as you polish the frets, get some fret protectors. If you're careful and you use a fret protector, you'll be fine.
http://www.stewmac.com/Luthier_Tools/Tools_by_Job/Tools_for_Necks_and_Fingerboards/StewMac_Fingerboard_Guards.html