<html><body><div style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 12pt;"><div><br></div><div> Here's what I've been asked... How much dry ice to cover 19'x30' about 4 inches. Most dry ice fog info is in terms of how long it will last, not volume. I'm sure your experience can answer this, though. Thanks!<br></div><div><br data-mce-bogus="1"></div><div> My first answer was, "Why wouldn't you use a hazer?<br><br data-mce-bogus="1"></div></div></body></html>