Wear them regularly & clean them after wear with warm water or Gaia polishing cloth (white) to wash off sweat, dirt & chemicals.
Place them in an airtight container to prevent oxidation.
No direct contact or wait at least 5 mins after applying lotions, hand wash & perfume.
You can shower with your silver however because there are chlorine and other chemicals in the water, this will eventually induce tarnishing over time (we’re talking many years).Definitely no pool water & no salt water.

Wear your pearls regularly and always wipe them with Gaia suede microfiber cloth (black) after each wear.
Pearls need to breathe. So place them in the soft Gaia velvet pouch.
Pearls age over time & when the colour changes, you know you have genuine pearls.
No direct contact or wait at least 5 mins after applying lotions, hand wash & perfume.