Caulking is used to seal inside tub and shower joints and comes in clear or white versions. If mold has penetrated into the caulking (white version); or behind the caulking (clear version); there is no way to remove this. You would need to remove the caulking and replace it in order to remedy.
There is mold in the caulking of my shower – can you remove it?

Written by Jeff
Updated over a year ago