Cleaning bathroom grout - list shows the best home remedies for black stains. The vinegar kills the mold while the bleach lightens the black discoloration.
The toothpaste is simply applied to the toothbrush and used to scrub the joints. The baking powder is a true all-rounder in the household and can be used for virtually everything. Vinegar essence is a miracle weapon against black mold in the shower. If there is a black film on the joints in the showers, then it is mold.