Greg, sounds like you just have an unreasonable customer. I did a lot of research a while ago because of all the chloride staining in Hawaii, the dark spots on granite that are locked in, it is insoluable salts, and  I learned the water is loaded with nitrates and chlorides and they will leave a deposit on or in the stone, not to mention the silica which comes from being on a volcanic rock. Seems like impregnating can exasperate this problem, as the water beads up it makes the mineral rings more apparent.   what about some of your nano glass treatments, they are more of a surface type sealer although I know the chemistry is more for igneous material…  Or a wax of some kind.

 

 

I have a customer in Maui that is complaining about water stains on the floor of her highly polished marble shower. They have a water softener installed, and the company that installed it, tested the water and says that the water is fine. We polished out the mineral buildup and sealed the stone and grout with Limestone & Mable Protector and after about a weeks use, they have heavy duty water deposits on the floor again. They seem to think that we are not using a good impregnator because the spots should be easier to clean off. I explained to them that impregnators keep the stains on the surface but will not do anything about the minerals in the water that are being left behind.

They claim that they have the same marble shower in their home in California, without a water softener and do not have this problem.

Is there a way to prevent the minerals from bonding so well to the polished marble floor? Do you know of a product that will remove these deposits with out harming the polished finish?

Thanks
Greg Cook
surfaceshawaii.com

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