i know it works, thats why i put a length of copper wire in my hydroponic reservoir, i didnt think nasa would put their trust in folk wisdom though. thanks for the link.
i reckon i read someplace they still use UV to sterilize recycled water. no clue where i read it, just a foggy recall of the device which was a strong UV light shining on an acrylic tube where the water circulates through the UV bath before being pumped to the potable tanks.


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