May 20, 20215 yr 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
May 21, 20215 yr 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
May 21, 20215 yr 9 hours ago, Onoff said: Bring Me To Life? Great tune. Had to Google that. Every day's a school day!
Create an account or sign in to comment