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Flooring Bathrooms

How to clean grout shading?

7 years ago

Hey everyone,

Just did a grout job and there are just s few spots that dried a little darker than everywhere else. Before I seal it, can I do anything to fix this?

I read one website that said “grout shading” is often surface level and a sulfamic acid cleaner usually works. Should I go that route? Anyone have any experience here?

Thanks much!

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Comments (3)

kudzu9
7 years ago
How long have you given it to even out?
Josh Schiel
Original Author
7 years ago
It’s been maybe 10 days.
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kudzu9
7 years ago
Ok...I think gave it a fair chance. You can try to clean it, but I suspect that the darker color may go all the way through. To my knowledge, sulfamic acid is typically something used to go after things like grease, dirt, and residual haze; I am dubious that it will lighten up that darkness. Good luck. I'll be curious to find out what happens.

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