Black, tarry stools. blood in urine or stools. cough or hoarseness. fever or chills. lower back or side pain. painful or difficult urination. pinpoint red spots on skin. unusual bleeding or bruising.
Builder's Sand. Builder's Sand, also known as Plasterer's, Mason, or Bricklayer's Sand is a finer grade sand with smaller particles. It's often mixed with water and cement to make mortar for laying bricks/blocks. Ï scale - 3 to 2. Size range - 125â250 Âµm (0.0049â0.010 in)
Fracking sand is a âproppantâ -- a material used to âpropâ open the underground cracks from which natural gas is harvested during hydraulic fracturing.