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Thread: Used RO/DI Unit Help

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    Used RO/DI Unit Help

    I am looking at buying a used RO/DI Kent Maxxima unit from someone off craigslist. The seller claims its about 3 years old but that he only used it for a few mths prior to selling his tanks and has had it sitting around, we havent agreed on a price yet, however if the tfc membrane is no good or any of the other filters I may be overspending. I am looking for some outside advice, should I see if I can get this unit for cheap and risk needing filters or just get a new aquasafe unit from Ebay that everyone on the forum says are great affordable units??? Is a Kent system any better? I see it has clear canisters and you can get a silicate removal membrane, seems like the aquasafe system throughs in a lot of nice extras. Thanks for anyones help

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    Grand Master Reefer Amphibious's Avatar
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    Be safe, get the Aquasafe. That way you get your money's worth and don't have to deal with the unknown from C's List.

    Dick
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    Yeah thats kinda what I am thinking unless this guy wants to get rid of it for real real cheap, how is it the aquasafe system is 100 GPD, I dont see any on marine depot's site that can move that much water. Which Aqua Safe model would you recommend, I am on city water, with pretty good pressure, at some point I want to run a line to the sink for drinking water as well.

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    Grand Master Reefer Amphibious's Avatar
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    Here is the unit I bought on e-bay - AQUA-SAFE MAXIMUS II REVERSE OSMOSIS WATER FILTER - eBay (item 160216241944 end time Mar-12-08 20:00:00 PDT)

    The components of all RO/DI units are made by a couple of manufacturers and sold in bulk to the various venders. There is no need to spend more money than what this unit costs - $100 plus shipping.

    Get the 100 gpd unit. When you want water you want it now. Get a Brute trash can and keep 40/50 gallons on hand. I have 4 55 gallon barrels full all the time.

    Dick
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    Amblyeleotris randalli commonly, Randall's Goby.

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    Well alrighty I think its decided I will be pickin that unit up, unless this kid wants to practically give me that Kent model. Any suggestions on added parts? Pressure gauge? TDS meter?

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    Ordered up my Aquasafe maximus unit today, thanks for everyones help.

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    Grand Master Reefer Amphibious's Avatar
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    I think you will be very happy with that choice.
    Amphibious

    Good Luck comes to those who research and prepare.


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    Amblyeleotris randalli commonly, Randall's Goby.

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    Master Reefer poppin_fresh's Avatar
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    I have bought both an Aquasafe and Filters Direct unit off Ebay and I like the Aquasafe much better. I think also think you will be satisfied.

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    you may also want to add a TDS meter to the list. this will let you know when it is time to change the filter components.
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    Grand Master Reefer Amphibious's Avatar
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    Good point, Bobby.
    Amphibious

    Good Luck comes to those who research and prepare.


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    Amblyeleotris randalli commonly, Randall's Goby.

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    Yeah I will be pickin one up shortly, after my next order with Marine Depot

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    Whats everyones take on a flush kit? I am placing an order at Marine Depot right now, I have an inline TDS meter in my cart but im interested in knowing what peoples opinion is on them.

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    Master Reefer poppin_fresh's Avatar
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    I have never seen a definitive answer on flush valves and there effectiveness. It seems likes is split 50% for and 50% that say its not needed.

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    Yay, got my aquasafe system today, got to say it looks pretty fancy, instructions are for crap. Any who, I think I read somewhere that the water I put into my fish tank needs to not run through the last filter "polishing" is this correct? So I T off of the "out" from the DI filter? I use the polishing filter for drinking water for added taste yes? Thanks

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    Grand Master Reefer CarmieJo's Avatar
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    I don't know so here is a .
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    Master Reefer poppin_fresh's Avatar
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    correct.

    Use the "polishing filter" for the drinking water only.

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    Ya I did the same thing with mine.

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    Quote Originally Posted by poppin_fresh View Post
    correct.

    Use the "polishing filter" for the drinking water only.
    Ok thanks that what I thougt Plumbed in RO/DI here we come. Had this thing for over a week, driving me nuts seeing it sitting on the floor

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