Deodorising product to reduce and control bad organic and inorganic odours. Recommended for waste processing plants, composting, manure-heaps, waste containers and food waste processing plants. Instructions for use: apply the product evenly by spraying thinly over the surfaces to treat with a dilution from pure to 10% according to the level of fermentation and extent of the bad odour and of the ambient temperature (at low temperature reduce concentration).