It will say pH-neutral on the label of your dish soap. Conventional cleaners may contain acids that can damage the surface of your shower. [2] X Research source There are specially made marble cleaners that you can purchase at department stores or online. Popular commercial marble sprays include Black Diamond, Simple Green, and Zep Marble Cleaner.
If your paste is too thick, add more water to it. If the paste is too runny, add more baking soda.
Remind people in the house that you are doing a deep cleaning and that they won’t be able to use the shower.
If your shower is already sealed, there’s no reason to do it again, and it can actually be detrimental to your marble.
Some popular brands of marble sealer include DuPont Stone Sealer and Miracle Sealants. It’s important that you get a stone sealer made for a stone like marble.
Let everyone in your house know that using the shower before the sealer dries could damage your marble.