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Thread: Portable RO unit for an apartment???

  1. #9
    Maiden's Avatar
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    I had a unit like that before, and my plant where nice, but when i started to use demineralized water (0ppm) buyed from a drugstore at 5$ for 4 gal, its pretty expensive, i saw the difference. For my plants, its day and night. After only a week, all my plants was greener.

  2. #10
    I hate bugs. Carnivorous plants get me. jpappy789's Avatar
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    Quote Originally Posted by chibae View Post
    My question is whether or not it is worth the money for only 2-3 gallons a week. I had been going to a fairly large aquarium store and buying RO water at 50 cents a gallon. It was a half hour drive each way and I had to supply my on bottles. But when I was only using a small amount of water it was worth it to go once a month.
    That was also my concern. I don't use that much water per week, but I probably would keep some of my trays more filled if I had better access to water.

    The LFS has RO for .49/gallon so I may end up investing in a large container and going there instead.

    Quote Originally Posted by Tower View Post
    I live in an apartment and I use this
    http://www.purewaterclub.com/catalog...ba9be3cfbc00ee

    It filters 350ppm down to about 3. Totally worth it
    Thanks, if I go with an RO unit in the future I will probably buy from this site.
    -Josh
    Grow list

  3. #11
    Av8tor1's Avatar
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    FWIW,

    RO membranes are designed for regular use,

    If they are allowed to dry out it damages them. Also, infrequent use can lead to bacteria growth in the membrane which also damages them.
    When you replace your membrane, if it smells foul or makes a crackling noise when squeezed it has experienced bacteria growth.

    Membrane life will be longer with regular moderate use.... don't use your RO to just fill a 55g drum once a month, at least use it every few days.

    I get about 4-5yrs out of membranes with moderate daily use (personal consumption, ice maker, humidifier, plant racks)

  4. #12
    Av8tor1's Avatar
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    Quote Originally Posted by chibae View Post
    My question is whether or not it is worth the money for only 2-3 gallons a week. I had been going to a fairly large aquarium store and buying RO water at 50 cents a gallon. It was a half hour drive each way and I had to supply my on bottles. But when I was only using a small amount of water it was worth it to go once a month.
    Judy, be sure you test...

    A few months ago, Liz lost 90% of her collection when the aquarium store sold her mislabeled RO/DI water...
    She had bought from them for years.... but this time, someone put salt water mix in the wrong bottles.
    (I think she exchanged milk jugs)
    By the time the plants showed damage, flushing didn't help.

    She was unable to get any satisfaction from the store after the fact... and it wasn't worth the cost to take them to court.

  5. #13
    I hate bugs. Carnivorous plants get me. jpappy789's Avatar
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    Thanks for the info Butch. I would be worried then since I would only be using it for plants and maybe topping off my FW tank, not sure it would be used enough to even justify the upfront cost right now.

    Might invest in a TDS meter instead...always been interested in getting one, and would be nice to make sure the LFS water is staying where it needs to be.
    -Josh
    Grow list

  6. #14
    An orchid fancier with a CP problem chibae's Avatar
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    Quote Originally Posted by Av8tor1 View Post
    Judy, be sure you test...

    A few months ago, Liz lost 90% of her collection when the aquarium store sold her mislabeled RO/DI water...
    She had bought from them for years.... but this time, someone put salt water mix in the wrong bottles.
    (I think she exchanged milk jugs)
    By the time the plants showed damage, flushing didn't help.

    She was unable to get any satisfaction from the store after the fact... and it wasn't worth the cost to take them to court.
    Well I had always gone into the back with the guy to watch the filling , also took my TDS meter with me. now I have the advantage of two large rain barrels and supplement with store bought distilled as needed.
    It's a tough life being a Sarracenia farmer
    My Grow List http://www.terraforums.com/forums/sh...d.php?t=123776

  7. #15

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    20-30 bucks for a TDS meter is a no brainer. i have had mine over 8 years and only changed batteries once. love it

  8. #16
    Decumbent Fanatic Jcal's Avatar
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    I agree. You must have a really nice model. I paid around 15 from amazon. I use it all the time.

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