Biological oil receiver cleaner improves the performance of oil receivers. Prevents oil-fouling. Keeps the drainage system clean. Removes bad odors. It can be used in the industrial oil receivers and large septic tanks. It has a powder formulation based on various non-pathogenic bacterial types. Bacteria with a high ability to degrade animal, vegetable and mineral oils are used. Bacteria are released at a level sufficient to digest and destroy the oils and food residues, preventing them from accumulating in the oil receivers.