There are several types of cleaners that are used for a variety of different reasons. Alkaline cleaners (high pH) – such as UltraCare Heavy-Duty Stone, Tile & Grout Cleaner – is best used to “deep clean” the surface and remove ground-in dirt, cooking oils, etc. These cleaners are safe for occasional use on all natural stone, tile and grout, but are not recommended for regular use. Watch the video below.