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atccodex t1_ja5qgyy wrote

Reply to comment by Western_Cockroach838 in Grouted with brown grout yesterday.. now some spots have turned white… efflorescence already? by Western_Cockroach838

You have a water softener? Did you use water from the softener? Had a buddy that grouted with water from a softener where the salt level was too high and turned it white.

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Western_Cockroach838 OP t1_ja5uflk wrote

No, but do you think it’s possible for efflorescence to appear this quickly? Overnight? I thought it was something that happens over time

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