Diatomite is food grade Diatomaceous Earth (D.E. ). It creates an unhospitable environment for insects to live in while keeping your plants unharmed. Diatomaceous earth will fight against any bug with an exoskeleton. This includes spider mites, aphids, fungus gnats, bed bugs and many more.
DiatoMITE dusting powder can be mixed into the medium or to dusted over the top of your growing medium. It lasts a long time and works very well against bugs that lay eggs in the top layer of your medium.