... the water sunlight is converted into electricity by the photovoltaic panel. This harmless low current energizes a special alloyed mineral ... after TreatmentTotal Coli form Group,MPN/100 ml9.2× 10^6< 2Total Number of Bacterial Colony, CFU/ml1.3× 10 ... .827.14Temperature ( centigrade )2121Total Alkalinity as (Calcium Carbonate), mg/L10585.0Free Residual Chlorine, mg/L< 0.53< 0.05Cah (Calcium Carbonate ...