tunes7 Posted May 20, 2021 Share Posted May 20, 2021 Hi, I was hoping someone could help me identify what I've found in my new garage. It's white and looks kind of fluffy and it's on various parts of the wall. The garage was built in the 1940s (I think) and made out of stone. Thanks Link to comment Share on other sites More sharing options...
Roundtuit Posted May 20, 2021 Share Posted May 20, 2021 Efflorescence? Link to comment Share on other sites More sharing options...
Onoff Posted May 21, 2021 Share Posted May 21, 2021 6 hours ago, Roundtuit said: Efflorescence? Bring Me To Life? Great tune. 1 2 Link to comment Share on other sites More sharing options...
tonyshouse Posted May 21, 2021 Share Posted May 21, 2021 Sodium nitrate dissolving in water in the masonry and as water evaporates leaves white or clear crystals behind. pinch a small sample, it will dissolve in water 1 Link to comment Share on other sites More sharing options...
Roundtuit Posted May 21, 2021 Share Posted May 21, 2021 9 hours ago, Onoff said: Bring Me To Life? Great tune. Had to Google that. Every day's a school day! Link to comment Share on other sites More sharing options...
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