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 Post subject: water purification
PostPosted: Sun Mar 21, 2010 7:15 pm 
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Joined: Sat Jun 03, 2006 3:24 am
Posts: 882
Location: Victoria Australia
Hello,

I have a new Bore .
However the water is getting up a bit in its iron and salt content.
I do not wish to destroy my soil or plants.
Consequently I need an economic means of removing the above from my water .
I am a good handy man.Hence construction and instalation should not be a problem.

can any one help or direct me to someone you know can.

regards

David d


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 Post subject: Re: water purification
PostPosted: Tue Apr 06, 2010 4:44 pm 
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Joined: Tue Mar 28, 2006 10:54 pm
Posts: 527
Location: NSW Australia
G'day Mr D,
Not sure how economical this would be for you.... but you might find something interesting or useful in the following link http://www.magneticwatersystems.com/

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 Post subject: Re: water purification
PostPosted: Mon Apr 12, 2010 1:04 pm 
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Joined: Tue Dec 05, 2006 3:29 pm
Posts: 948
Location: Sunol, CA (9B)
Yeah, reverse osmosis is basically your only option (other than distillation). Here one can buy small scale RO systems at home improvement centers for ~$100usd. The filters do need to be replaced occasionally, but it can be rigged to fill a 55g drum for gardening or other use (they work too slow to water directly from one).

Most systems produce 1 part purified water/ 10 parts water in, and the waste water is 10% worse than normal water. It can be used for lawns, whatnot. Watering the entire yard with RO water would be prohibitive, but it would be okay for potted plants and some that are sensitive. As long as you get enough rain on occasion to produce runoff, mineral accumulation shouldn't be too bad in your garden unless the water is REALLY bad.

In the central valley of CA there is a fair amount of selenium in the groundwater, which is toxic and can contaminate farm soils. To prevent it from accumulating to unsafe levels they flood irrigate fields, leave them flooded for a while, then drain the water to an evaporation pond where it dries up and leaves the selenium in the evaporation pond.

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