Tanlin DropsTanlin Drops 20ML WHAT IS TANLIN? Tanlin is an organic, safe, non toxic pest control additive that is used to keep growing media and root systems free of unwanted visitors. It works on problem pests, such as Fungus Gnat larvae. Using Tanlin breaks the lifecycle of Fungus Gnats, reducing your infestation problem over a short period of time. HOW DOES TANLIN WORK? Tanlin is formulated for the treatment of Fungus Gnats, specifically targetting their