Exactly what is and Where Do I Find Coarse Sand for ...
Oct 02, 2015· We use coarse silica sand because it drains well. ... They had it and it was stocked as a sandblasting media "Quikrete Commercial Grade Sand, medium grit sand for use in industrial and landscaping applications"". A 50# bag was I just did a test for drainage and it passed with flying colors. I hope this helps.