Sterling silver may be worn in the bath/shower/pool/to bed.
If discoloration to your silver occurs, simply wipe the piece down with a rag to remove tarnish.
Copper should not be worn in the bath/shower/pool/to bed.
If discoloration to your copper occurs, soak your piece in warm soapy water for a few minutes, then rub the piece down with a rag to remove tarnish.
Brass should not be worn in the bath/shower/pool/to bed.
If discoloration to your brass occurs, soak your piece in warm soapy water for a few minutes, then rub the piece down with a rag to remove tarnish.