A concentrated, biological based, environmentally friendly formulation used to combat and treat grey water from bath tubs, showers, bathroom sinks, kitchen sinks, washing machines and grey water holding tanks. It is a ready to use enzyme fortified liquid specifically designed to rapidly digest the organic material. Grey Water Treatment does not simply mask the odour but eliminates the organic substances that causes bad odours and prevents the return of bad odour-causing compounds. It is readily biodegradable, non-toxic, environmentally friendly and safe to use around humans, animals and plant life but not for human consumption.