Please read the Glycerine Basics article and then come back if you need to know more. The basics article covers the most important information for bubblers. This page is in transition and may take a little while to clean up. PAGE IN PROCESS OF BEING UPDATED IN LIGHT OF CURRENT KNOWLEDGE. PLEASE COME BACK FOR MORE ACCURATE INFORMATION IN A FEW DAYS Somehow, it has taken a hold on the imagination of so many people that even serious bubbleheads include glycerine in their recipes even though their recipes seem not to suffer when it is removed.