Topmusicanswers
You can then use household ingredients such as soaking in white vinegar for 3 hours, or making a paste of salt and lime juice brushing the paste on the tuner and let it work for about 3 hours. In either case use superfine steel wool to rub and polish the material into the metal to rub off the rust.
How do you clean a tarnished guitar tuner?
Steps for cleaning a sealed guitar tuner:
Place a small amount of solvent on your cloth. Thoroughly clean the knobs, housing and capstan (post). Use a soft bristled brush or toothbrush to work loose any difficult debris that doesn't wipe off. Dry the sealed tuners thoroughly with a clean, dry cloth.
How do you clean guitar tuning pegs?
Clean the tuning pegs with a soft dry dust cloth to remove settled dust and dirt as well as any oil from hands. Rub the cloth briskly over the finish for a polished shine. Remove stubborn dirt with a mild brass polish. Pour a small amount of polish on a corner of the soft cloth and apply to the metal finish.
