Grey water is in between fresh/clear water, which is clean, and black water, which is highly polluted. Grey water is also known as sullage. In non-industrial areas, grey water is produced from such things as laundry, washing dishes and bathing. It generally has a high concentration of cleaning liquids, as well as fats, grease and oil. In residential areas, grey water comprises of 50% to 80% of wastewater. Thereby it is important that you opt for the best and the most suitable grey water recycling system and avail the benefits.