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Thread: Cheapest alternative to distilled bottled water?

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    Cheapest alternative to distilled bottled water?

    What is a good reverse osmosis system that I can use instead of buying endless gallons of distilled water? Thank you for your time
    Last edited by Spintix357; 09-20-2016 at 09:14 PM.

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    nimbulan's Avatar
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    You can buy counter-top water distillation devices that can process a gallon of water in a couple hours. The more popular choice though is reverse osmosis units. I'm not sure how the costs of each device compare, but I know that affordable reverse osmosis units produce a LOT of waste water (though this can be used for other things.)

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    Steve Booth's Avatar
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    it very much depends on how much water you need the unit to make. Oh and the gallonage they quote produced per day or hour, is under their ideal conditions of pressure as you would expect, so unless you can replicate the inlet pressures they quote, or get a pumped unit, you will get a lot less. if you get a pumped unit they recommend running the pump for a maximum of one hour with a two hour cool down period, so even they dont always produce what you may need in a day.

    cheers
    Steve

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    carnivorous plants of the world -- unite! DragonsEye's Avatar
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    Someone was telling me about Berkey Water Filters for being able to take even swampy pond water and provide potable water. However I have not gotten around to investigating it at all to see just how pure/mineral free such water would be nor how the cost of such a portable filtration system would compare.

    I generally just buy my water at a local grocery store as they have a dispenser so you can fill your own jugs. If I owned a home and had the $ I'd look at investing in a water filtration system.

    "Blessed are the cracked….
    For they are the ones who let in the light."



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    Decumbent Fanatic Jcal's Avatar
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    Items I'm selling
    rain water. its free and my primary source of water.

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    nimbulan's Avatar
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    I do not believe that standard water filters will remove all dissolved minerals. They generally only filter out specific harmful substances like lead. Only Zerowater filters are designed to lower the TDS, but those filters do not last very long and leave the water smelling pretty nasty when they expire.

    And yes I second the idea of rainwater if you have a reasonable way to collect it. It can certainly be difficult if you don't own a house.

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    I agree, rain barrel would be the cheapest in a long run. If you are in hot area, you could try passive solar distillation. I've never tried it (since we don't have enough sun), but it looks fun: Purifying Water Using Passive Solar Water Distillation - Real Food - MOTHER EARTH NEWS

    I use Ray's RO unit when I'm out of rain water in the winter. Systems Pretty good price. Make sure that you don't buy the cheap unit which requires special cartridges (e.g. some from Lowes or HD). It may be cheap initially, but you end up paying more in a long run.

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    Depending on how high your tap waters TDS is zero water filters can be a good option. If you have really high TDS it's kinda expensive.

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    Av8tor1's Avatar
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    Brine ratio on a properly running RO is 3:1 or 4:1

    (waste water vs. clean)

    Ive run the same RO/DI unit for 10 years now. But as others have mentioned they must be "properly" configured and supply pressure must be adaquate.
    Spend the little extra coin up front for years of good service and low maintenance cost.

    When i need clean water, i simply open a valve....

    That to me alone is worth the brine ratio and semi annual prefilter changes.

    ymmv,
    Av
    Last edited by Av8tor1; 09-25-2016 at 09:48 AM.

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    nimbulan's Avatar
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    The last time I looked at affordable RO units, the waste water ratio was more like 7:1 or 8:1. I believe the big commercial units can reach 1:1. How much do the 3:1 / 4:1 units cost?

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