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Drinking Rainwater

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Uploaded by on Jun 20, 2007

Gord Harms explains how we will be turning rainwater into safe drinking water at the Demo Garden. Reverse osmosis and ultra violet light are two of processes used in our system. Gord and Graham spent the rest of the day setting up the system next to our outhouse building and attaching it to a rain barrel. In a future videoblog, we will show you "On Tap - City Farmer Rainwater". City Farmer.

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Uploader Comments (pakuataichi)

  • what makes the rain water 'bad'/non potable ? is it the roof ? curious.

  • Possible contamination from bird droppings, roofing, gutter and downspout materials, etc.

Top Comments

  • If its electric powered then its no good as I see it. God only know what might happen, but you can bet the power stations would stop after some time if mains water failed to be pumped??

    It needs to be more SIMPLE and hard to break. Also the use of a "crank" handle to power the filtration process.

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All Comments (58)

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  • Rain water couldn't possibly be bad at all? I mean seriously, its rain and rain should be 100% only water. Sure, if you collect it dripping from your roof or from a puddle but i mean, if you put a gigantic clean bucket in a field then that water should be perfectly clean, right?

  • is reverse osmosis just distilled water... bc I like beneficial microbes

    there has to be a better way to do this using proper minerals and filterfeeders

  • @jojo808 look up acid rain

  • what is the make and model of the product?

  • @TheLordAwaked are you a cat?

  • Reverse osmosis is not the best choice for rainwater purification. It wastes 4 gallons for every gallon it makes. Ultra-filtration provides the same four log reduction for microbes and only needs a small amount of backwash to keep the membrane clean.  It's cheaper, too. BTW, the NSF has NOT approved RO for microbial purification because bacteria colonize the membrane, not so for UF.

  • @pakuataichi and Acid rain too?

  • shouldve put the mic closer to that old guys mouth....fail

  • nice video

  • Anyone know who makes or sells this compact unit and what kind of price? Doesn't look like this guy ever posted a follow up to see how to install or how it performed after.

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