VT '10, Born & Raised in the 804. Freeman Rebels, Keydets, Army Black Knights, NY Giants, NY Rangers, and ATL Braves. It's dolomitic limestone I'm pretty sure, so you might be able to contact some commercial supplier and buy some that looks close enough. It won't be real hokie stone but it should be close.
But what exactly is salt poisoning, and who is at risk? Salt poisoning, also known as hypernatremia, is when a body takes in dangerously high levels of sodium, according to the National Capital Poison Center. Too much sodium in the bloodstream can damage brain cells, and lead to seizures, coma or even death. Fluid can build up in the lungs, causing trouble breathing.
Last reviewed: January 2009. Salt substitutes lack table salt (sodium chloride); salt blends are a hybrid of table salt and other ingredients. Finding a tasty substitute or blend can prove tough: The best-known faux salt, potassium chloride, tends to have a bitter or off taste. And it might not be safe for people with kidney problems or those who take medications for the heart or liver, so those people should check with a doctor before using it.