HG odour eliminator for all surfaces - removes the source of the odour once and for all - works within 30 minutes HG odour eliminator for all surfaces has been specially developed to remove unpleasant smells biologically. Does not mask the smell but removes it at source by means of natural enzymes and microbes. Amongst other things, it removes smells caused by urine, excrement, vomit, pets, nicotine, fruit, vegetables and many other sources.