Avoid the use of vinegar on marble and granite as it can eat away at the stone finish.
White residue on tile floor.
Use a nylon pan scraper or a razor blade to carefully scrape the residue.
In addition the white line starts just where the pebble floor meets the perpendicular ceramic tile forming the door opening at the top of the floor pan.
The white residue is in fact is called efflorescence or in other words the natural salts and minerals found in natural stone and brick.
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When the excess water evaporates the white polymer is exposed.
Low spot theory seems wrong since the rest of the floor is fine and puddles form in other areas of the floor with no white residue.
According to the tile council of north america tcna grout mixed with too much water or cleaned too soon or cleaned with excess water can cause the polymer to migrate to the surface.
If it can be easily removed then you are dealing with dried products on the stone.
The key is to dilute the vinegar enough to hold its cleaning power but reduce the acidity that can cause damage to some types of flooring.
Polymer additives are often added to grout to provide superior properties commonly improved chemical resistance reduced porosity improved flexibility and freeze thaw stability.
Here s a quick and easy test that can tell you whether the white residue on your stone is an accumulation of cosmetics soaps or cleaning products.
White vinegar works well on practically any hard floor surface including all types of wood laminate linoleum and tile.
Less common than efflorescence is the white residue that can form on polymer modified grout if the grout is subjected to excessive moisture before the polymers coalesce.
When the water evaporates the salt remains on the floor and leaves white streaks.
What happens is that natural salts in the material are carried to the surface and deposited by water penetrating into the material and moving through the microscopic pores in the.
This is a very common problem.