The heart of his invention is Sears Kenmore 70-pint dehumidifier.

Condensed water is further purified and sterilized with filters and ultraviolet light.

It takes about three days to make 40 gallons of ultra-pure water that are stored in a food-grade plastic barrel.

The parts to the machine cost around $700 but he can sell you his pre-made Big Dipper for $800.

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