What's this buildup on my shower tile?

Old 09-06-16, 02:42 PM
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Question What's this buildup on my shower tile?

Mind taking a look at the picture below? Our shower is less than a year old and has some pretty cheap natural stone tile. In a couple places along the wall edges, there is some kind of buildup - it's hard as a rock and no amount of cleaner or scrubbing will remove it.

Any thoughts as to what this might be? We're thinking it might be a grout issue or perhaps the tile could be breaking down?

Interested to hear thoughts from the group. And before you ask, yes, we do clean our shower regularly.

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Old 09-06-16, 04:15 PM
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Have you tried CLR or LimeAway? Looks like mineral build up. Does water pool in that area?
Old 09-06-16, 06:15 PM
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Looks like one horrible tile job and iron in the water.
Had the water tested?
City or well water?
Got a water softener?

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