Use really hot water (just heat it in the microwave for a minute or 2)
Tear off a piece of aluminum foil and cover the bottom of a bowl.
Pour the hot water in the aluminum foil bowl, along with all of the other ingredients.
Drop in your jewelry and let it sit for 5-10 mins.
Use an old toothbrush to get them super shiny. Rinse and pat dry.
Jewelry Cleaner https://afewshortcuts.com/kitchen-short-cuts-make-your-own-jewelry-cleaner/