I would eat my hat if it wasn’t moisture related.The toilet seal is probably bad and needs to be replace.If she has extra tiles your in business.Have a plumber check out the sealAnd correct, then change out the tile.Sent from my iPhoneA potential client contacted us about removing some staining from some travertine. Being near a commode, I’m guessing this is due to water movement. Any ideas if this can be corrected?<20171009_092250.jpg><20171009_092122.jpg> Visit list archives, subscribe, unsubscribe or change your subscription preferences: http://stoneandtilepros.simplelists.com/sccpartners Start a new conversation (thread): sccpartners@stoneandtilepros.simplelists.com Visit list archives, subscribe, unsubscribe or change your subscription preferences: http://stoneandtilepros.simplelists.com/sccpartners Start a new conversation (thread): sccpartners@stoneandtilepros.simplelists.com