RO Waste water.

Discussion in 'General Discussions and Advice' started by Tom, 16 Jun 2007.

  1. Tom

    Tom

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    Can RO waste water be used or drinking? Will the mineral content not be to high?
     
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  3. Rory

    Rory Admin MASA Contributor

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    Definitely. It's better for you than normal water because the grit has been taken out and stuff like chlorine taken out, basically like a non-RO drinking water filter... The minerals etc are marginally higher and are the kinda stuff they specifically put into bottled water.

    To give you an idea the TDS of my RO is sitting at 3, tap water 60 something and waste water 70 something.
     
  4. Tom

    Tom Thread Starter

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    Thanks Rory. What kind of minerals would be in the water?
     
  5. djmurray

    djmurray Email me about anything

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    I like to drink the waste water and it really pumps allot:)
     
  6. viper357

    viper357 Admin MASA Contributor

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    Does the waste water also have to be refrigerated like the RO for drinking purposes?
     
  7. Rory

    Rory Admin MASA Contributor

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    If you're not drinking it straight away then yes it would be a good idea to refrigerate it because the lack of chlorine etc allows bacteria etc to grow.

    In tap water things like magnesium, calcium, potassium, silicon, sodium and a bunch of other stuff.

    I think ultimately it just comes down to taste and whether you could be bothered really... Of course there's also "perceptions". I don't think I could convince the gf to drink something that came out of the "waste" end of the water filter even if the "waste" is already after 2 other stages...
     
  8. Tom

    Tom Thread Starter

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    Ha ha Rory! Jy verstaan.. ;) Perceptions depend on the wrong word at the right time. If you said filtered output for waste, and RO for the RO output she would be washing her hair with the water. It should be very good for that as well.
     
  9. Mekaeel

    Mekaeel Moderator MASA Contributor

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    so basically on marcos Waterboy units the 'organic' is safe to drink.correct?
     
  10. Rory

    Rory Admin MASA Contributor

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    Definitely the "filtered output" or "organic" (organics?) would be better for washing hair, but unless you can make it come out the shower head it might be a bit of a mission :p

    Overseas they have "zero waste" RO systems which basically has the waste plumbed back into the water system for the house. That kinda works because the water is then diluted enough that the RO unit doesn't end up having to deal with increased TDS input.
     
  11. Mekaeel

    Mekaeel Moderator MASA Contributor

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    i think marco did mention that the organic is safe to drink
     
  12. TheWaterboy

    TheWaterboy Sponsor

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    zero waste is possible here too by using a venturi in the waterline of the house.........however..........if one is not using water round the house while r.o. is being produced....the r.o.machine gets damaged due to the back pressure build up.......so for one....a venturi that handles pressure costs about R700..........and 2 a damaged ro membrane......R400..............so in short.....DRINK THE WATER!!!!..........aslong as you refrigerate it.......its perfect high mineral purified water.............
    i have a unit that im setting up for my own bottling plant that will produce 4000 litres a day .........the waste will be polished and bottles as high mineral bottled water and sold to ship chandlers .......so nothing wrong
     
  13. Smithers

    Smithers

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    Waste not Want not ?
     
  14. Galibore

    Galibore Retired Moderator

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    A bit off topic but Marco, is it possible to modify one of your units to produce both R.O. and DI water with seperate taps. I want to fo instance use R.O. water for my marine tanks. DI water for my South American soft water tanks and filtered mineral water to drink.
     
  15. Galibore

    Galibore Retired Moderator

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    And what does it mean to "polish" the water?
     
  16. SIMS

    SIMS

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    Why don't you want to use RO-DI for your marine tank?
     
  17. Galibore

    Galibore Retired Moderator

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    I thought just RO was better??
     
  18. Rory

    Rory Admin MASA Contributor

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    Nope... RO should be <10 TDS. DI should be 0 TDS.
     
  19. Galibore

    Galibore Retired Moderator

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    I see. Cool thanks.
     
  20. Muz

    Muz

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    :lol: I actually managed to do that yesterday, I told the gf it was the waste water of an R/O and she drank some.. I was impressed.
     
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