... water source excluding salt water such as flood water, river water, rainwater, streams or even lakes, tap water or ground water. *Now what does it remove?There are ... DDT,Benzene, Chloroforms (THM'S); and Dissolved Solids (Heavy metals) such as Arsenic, Lead, Mercury, Copper, Zinc, ... . ZL200610034167.5) Highly efficiently removes heavy metal ions in water such as Pb2+, Cd2+, Cr6+, As3+, etc.Efficiently ...