PLANTS FOR WASTE WATER TREATMENT :- CANNA LILIES Water is most the important source in our day to day life, it covers about 71% of the earth surface.97%of the earth water is found in the ocean (too salty for drinking, growing crops, and most industrial uses except cooling).3% of the earth’s water is fresh. So its water important to save water and reuse it again. The grey water that is release from wash basin, bath water & washing machine run off water can be filtered using these canna lilies plant.Canna lilies remove toxic heavy metals, nitrogen ,phosphorous & radioactive nucloids among pollutants. ...