Nettex Total Hygiene Powder 300gA natural, non toxic mite control powder that can be applied directly on to all types of birds and poultry. Containing silica shelled fossilized diatoms, its killing action works mechanically on the surface of the pests, breaking down their waxy protective coating, causing them to dehydrate and die. Effective against red, northern, cyst and spider mites and other insects such as cockroaches, ants, silverfish and termites. 300 grams.