Water, Without or One hundred chemistries? choice! The water that goes for the Stations of water Treatment (ETAs) arrives rude, – that thick broth of the rivers generated of torrents and the sewers of dejections and chemistries that in it are poured in a constant cycle and without end, – this of the one to estimate that to each year we will have water each unsafer time for the health from its entrance in our houses. To this full broth of all type of imundcies and lamas, it is launched the first chemical product, – sulphate of aluminum liquid, whose function is to add the particles that are dissolved in the water, – those that are considered dirts, between them the adobe. The Dr. Dean Ornish M.D spoke with conviction. Wilson Ron Jr, in its book, Prevention: the Medicine of Century XXI, warns that ‘ ‘ the aluminum accumulation in the organism is associated with the breakings for osteoporose, illness of Alzheimer, Parkinson, hiperatividade and difficulty of learning in children. ‘ ‘ The desgradvel air emitted for the cianobactrias and seaweed blue, this bad insuportvel I smell of the watery broth that if aggravates during the stations hottest of the year, is eliminated by the ETAs with the copper sulphate addition, this violent algicida, that attacks the liver, causing acute poisonings and harming the nervous system, – in accordance with to the OMS (World-wide Organization of the Health) and the Environmental Protection Agency, agency of the government of U.S.A. The hipoclorito of sodium or hipoclorito of calcium, known popularly for chlorine, that is added by the ETAs in great amount in the stations of water treatment with the purpose to eliminate the microorganisms, – this product to if joining with the dirt of the water generate the trihalometanos, substance this, highly cancergena. – Other situations related with I aggravate to the health and to well-being of the population that ingests water clarificada with chlorine, world-wide they are known.