| AUTHOMATIC CHLORINATE BY SALT ELECTROLYSIS | |
| It is a cheap system. It has an electric cost of 0,001E per hour and a kilogram of salt per year, depending on the size, use and weather conditions. Therefore it is amortized in a short period of time. It reduces the cost in chlorine, seaweed-killer, etc. besides it preserves water for several years: It needs minimal maintenance at it is very convenient as it works authomatically. |  |