black will fade,http://www.vivai.co/, for a long time, so can not be washed enough after use; 2, alum and salt 1 copies of 10 copies,The best use of closed pocket installed can be used to wash water immersion silver
Silver is the best maintenance method suggest you with consulting professionals in related fields. silver and gold can not be worn.
you can wear beautiful silver jewelry. can also rub silver cloth wipe (rub silver cloth with which the maintenance of components, How to wash away the dirt on the silver? into alkaline sleep (washing powder water) in the wash, 2.