Yes I have seen it, the acid was very aggressive, while acid usually does not etch granite some acids will especially if it full strength. I ve seen this when toilet bowl cleaner get left on the granite countertop too long. What is happening the acid is attacking what calcium that is in the stone. you will need to hone, repolish and seal.

John E Freitag

Owner/Director

The Stone & Tile School

Office 407-567-7680

Cell 407-615-0134

schoollogo

www.thestoneandtileschool.com

From: list-manager@stoneandtilepros.simplelists.com [mailto:list-manager@stoneandtilepros.simplelists.com] On Behalf Of daci6537@comcast.net
Sent: Wednesday, April 20, 2016 4:32 PM
To: sccpartners
Subject: Fwd: White stain on granite

From: daci6537@comcast.net
To: "Stone and Tile PROS Technical Support" <sccpartners@stoneandtilepros.com>
Sent: Saturday, April 16, 2016 12:18:21 PM
Subject: White stain on granite

Has anyone every seen granite do this? Customer spilled rust remover on granite countertop. And if so what was the remedy?

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