Plain old white vinegar! Vinegar kills mold spores.
Only way to get mold out of caulk is to remove it and replace. Water has gotten behind the caulk which causes mold.
It is not a hard job, just can be time consuming
Sometimes it's better to replace the caulk. Mold can leave stains that make it look like there's some still there.
Hi Ronesa - There are several ways to get rid of mold, but most importantly, you need to address the root cause to keep it from returning. This article focuses on the bathroom, but is an overall great article that covers methods of how to remove mold, if bleach is safe to use, and how to prevent it from coming back. Hope this helps! Hugs, Holly
PS - We have a FREE eBook with recipes for all of my homemade and all-natural cleaners. You can download it here --> https://pinkfortitude.com/thank#GreenClean