A concentrated, biological based, environmentally friendly formulation for maintaining a healthy, odour free drain system. It is a ready to use enzyme fortified liquid designed to specifically improve liquefication, degradation and digestion of grease, fats and oils. It degrades and eliminates organics found in drain lines and grease traps. It restores slow running drains, eliminates bad odours due to organic build-up and reduces frequency of grease trap pumping.