Zooby Fluoride Foam, Turtle Melon Flavored, 4.4oz Aersol Can. 23% APF Fluoride 3.Minimizes mess, gagging and ingestion 4.Produces a dense foam that stays in tray. Contains 1.23% APF Fluoride. Minimizes mess, gagging and ingestion. Produces a dense foam that stays in tray. Zooby Fluoride Foam comes with 1.23% APF Fluoride.With its dense formulation, it easily dispenses without any mess and minimizes gagging and ingestion. This long-lasting solid foam stays in the tray.Zooby Fluoride is convenient to use and is best for effective, in-office fluoride treatments. Available in unique flavors that match Zooby paste and varnish flavors.