Alternatively, mix ½ cup of baking soda, ½ cup of white vinegar and ½ cup of water. Spray on the grout and dry with a cloth. [2] X Expert Source Dario RagnoloHouse Cleaning Professional Expert Interview. 13 August 2019.
Oxygen bleach is a potent chemical, so it can damage your grout lines if you use it excessively. [9] X Research source Unlike chlorine bleach, oxygen bleach is non-toxic to plants, animals, and people. [10] X Research source
Chlorine bleach can discolor your grout, and if you accidentally splash it on nearby rugs, curtains, and towels, it can discolor those, too. [12] X Research source
If you use a bristle attachment for your steam cleaner, let the steam do the majority of the work. Too much pressure will wear out your brush. [18] X Research source