Dear Patrick, The real question to ask is, the water with wich we fill the CCD's does it have to be a clean water? What is we re_use our used water in dishwashers, laundry washers to clean our toilets...all that we need is a filtration system.

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Dear Patrick,
The real question to ask is, the water with wich we fill the CCD's does it have to be a clean water? What is we re_use our used water in dishwashers, laundry washers to clean our toilets...all that we need is a filtration system.