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Thread: Question regarding ro/di unit???

  1. #1
    Join Date
    11-26-2010
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    san antonio,tx
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    Default Question regarding ro/di unit???

    i recently purchased a buckeye ro/di unit rated for 100gph...

    hooked it up last night and did a test run ....It was dispersing a lot of waste water but it took a gud 10 min to fill a 1 gallon of a rodi water...

    is it suppose to be that slow..???
    Thanks
    Lucky...
    Addiction for ur reef will never let it cease to grow!!!!!!
    by lucky singh
    NEW BUILD COMING SOON

  2. #2
    Join Date
    09-16-2008
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    Default

    Those are 100 gallon per day, not hour. It takes roughly an hour for me to fill up a 5g bucket with my 75gpd system.
    Justin


    "Only bad things happen quickly in this hobby"

  3. #3
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    i thought it said GPH...
    Thanks
    Lucky...
    Addiction for ur reef will never let it cease to grow!!!!!!
    by lucky singh
    NEW BUILD COMING SOON

  4. #4

    Default

    Quote Originally Posted by Justahobby View Post
    Those are 100 gallon per day, not hour. It takes roughly an hour for me to fill up a 5g bucket with my 75gpd system.
    thats what i usually get depending on the water pressure ( the pressure seems to vary for me )

  5. #5
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    all membranes rated by the day, oh and the 100gpd have a low rejection rate, meaning water has highe TDS compared to say a 75 or 150 gpd,
    so you DI resin will exhaust a lil faster.
    Last edited by Big_Pun; Sat, 28th May 2011 at 01:12 PM.
    REEF MAFIA
    "TEFLON DON"

  6. #6
    Join Date
    07-18-2009
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    you think 100gpd is slow, try my 50gpd. haha.
    daniel V

  7. #7
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    I HAVE THE 75 ALSO AND MAKE 5 GALLONS IN ABOUT 45MIN
    -Ruben-

  8. #8
    Join Date
    05-08-2009
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    temp and water pressure also affect how fast it is made.

    100gpd have a low rejection rate, meaning water has highe TDS compared to say a 75 or 150 gpd
    really? I go 9 months before I have to replace mine.
    Home of the baby picasso! :angel:

  9. #9
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    Quote Originally Posted by BSJF View Post
    temp and water pressure also affect how fast it is made.



    really? I go 9 months before I have to replace mine.
    yup check out buckeyes site 150gpd has a rejection rate of 98.5%
    REEF MAFIA
    "TEFLON DON"

  10. #10
    Join Date
    05-23-2009
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    LaVernia, Texas
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    In my opinion dual 75 is the way to go! Fast, efficient and much less waste water. Love it
    http://www.bulkreefsupply.com/store/...grade-kit.html

    Just use what you have and upgrade when the membrane is worn out. The filter housings are the same anyway.

    I agree with stangchris on the 100 gph membrane. Seems a little bit wasteful in regards to having the DI work harder
    Karin



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