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Thread: Needing advice on a good RO system

  1. #9

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    Quote Originally Posted by adnedarn View Post
    This will add another 75gpd, making it 150gpd system and save water and filters as I mentioned above.
    https://www.bulkreefsupply.com/water...ef-supply.html
    ooooh, some good information there and I thank you very much. I was having a problem finding a good system that was not DI as well. Thus, I came here to learn something from you all... and you didn't disappoint.
    I owe you a beer!

  2. #10
    Admin- I'm growing CPs in the Desert of Tucson, Az. adnedarn's Avatar
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    I have it Note, it only works on a unit with the same 75gph membrane.. like the first unit i showed, don't try to add it onto some random unit.
    -Andrew
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  3. #11
    nepenthesl0ve's Avatar
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    wow love the idea of saving water, esp without it shortening membrane life! Great info
    lover of toothy species and hybrids

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  4. #12

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    yeah, pretty sure I'll be ordering that one this weekend or sometime next week. Besides, why spend more hours searching and reading when I can use some advice from those here that actually have what I'm looking for. I'd trust recommendations from here far more than reviews on some random site

  5. #13
    nepenthesl0ve's Avatar
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    Quote Originally Posted by adnedarn View Post
    I would not recommend a 2 stage, especially since that's not some ridiculously low cost.
    With that, you are counting on the one prefilter to work as both sediment filter and charcoal filter. I recommend no less than a prefilter and two charcoal filters. You don't want to clog your charcoal filter with sediment... and you want 2 charcoal filters so the water has more contact time with the charcoal to remove the chlorine. If chlorine makes its way to the membrane, it will destory it. So if you do go with the 2 stage (and a suggestion for nepenthesl0ve) since it is only one filter... change that filter OFTEN. You don't want it to restrict water flow by being clogged and you don't want to allow chlorine to the membrane.

    The bare bones system I would suggest is a 4 stage, bulkreefsupply makes some very nice filters. Go with the 75gallon per day unit, and if you end up needing more buy the water saver upgrade which allows you to pull more pure water from the waste water. It saves a lot of water, and your filters since you're getting more product water from the same supply water.
    4 stage 75GPD unit $149.99 https://www.bulkreefsupply.com/brs-4...m-75gpd-2.html
    i know this is old now but had a quick question for you about the system. if i hook this up to a float valve will the waste water shut off as well when the reservoir is full? my current system allows water to continue running through to waste even when the finished water lined is stopped by the float.
    lover of toothy species and hybrids

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  6. #14
    Admin- I'm growing CPs in the Desert of Tucson, Az. adnedarn's Avatar
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    With an automatic shut off, any stage ro system should shut off when the ro water line reaches 80% or more of the water supply pressure. Do you have one of those installed or just a float on the ro line? Which system did you end up getting?

    EDIT!
    Oh, also! Is your float RO safe? If not it will probably go bad very quickly and will also leach minerals into the water. The leaching will probably be not a big enough issue to worry about, but do plan on the float not lasting very long. Here is an example of an appropriate one. https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
    Last edited by adnedarn; 10-14-2019 at 08:13 PM. Reason: edit
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  7. #15
    nepenthesl0ve's Avatar
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    Quote Originally Posted by adnedarn View Post
    With an automatic shut off, any stage ro system should shut off when the ro water line reaches 80% or more of the water supply pressure. Do you have one of those installed or just a float on the ro line? Which system did you end up getting?

    EDIT!
    Oh, also! Is your float RO safe? If not it will probably go bad very quickly and will also leach minerals into the water. The leaching will probably be not a big enough issue to worry about, but do plan on the float not lasting very long. Here is an example of an appropriate one. https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
    i had this system before the thread started (just a two stage without one of those shut offs installed apparently) the float valve is safe but when it shuts off flow the waste water line still allows water to pass through so i have to turn source water off. id like to get the one you suggested but wanted to make sure this wont happen again. kinda defeats the convenience a float valve is supposed to provide! Thanks for your help
    lover of toothy species and hybrids

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  8. #16
    Admin- I'm growing CPs in the Desert of Tucson, Az. adnedarn's Avatar
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    Indeed! (and wastes filters too). Did you find the auto shut off? It's like a block with 4 water lines, you also need to make sure there us a 1 way valve between the membrane and float for it to work properly. It's sometimes the angle connector on the membrane but you need to verify.

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