This food skill is more than 100 years old, and modern science has given us the benefit of understanding exactly how safe it is.  Those Barossa Girls work within food safety guidelines set down by regulatory bodies, and we will not advocate or teach practices that are not proven.  Fowlers Vacola bottling is a proven and safe method that relies on some very simple rules to eliminate the possibility of food spoilage or pathogens.  It is important that home preservers understand the importance of safe food practices, and we will teach you how to apply those simple rules to your preserving.