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  1. AZDesertRat
    Post

    This HAS to be impossible ...

    Membrane flush kits have no proven value, I would pass on one myself and spend money on something with value like a capillary tube flow restrictor,...
    Post by: AZDesertRat, Jul 15, 2010 in forum: Filters, Pumps, etc..
  2. AZDesertRat
    Post

    RO/DI advise?

    Spectrapure uses Dow filmtec membranes. The difference is they put them through a special proprietary treatment process to further improve both the...
    Post by: AZDesertRat, Jul 14, 2010 in forum: Filters, Pumps, etc..
  3. AZDesertRat
    Post

    RO/DI advise?

    Yes they are OK but nothing special and about average on price even with their group buys. They do not offer things like hand tested RO membranes...
    Post by: AZDesertRat, Jul 14, 2010 in forum: Filters, Pumps, etc..
  4. AZDesertRat
    Post

    RO/DI advise?

    One of my last choices personally. Not really that good a deal either. I could have a MaxCap for that money and its the undisputed king, or a CSP-DI...
    Post by: AZDesertRat, Jul 14, 2010 in forum: Filters, Pumps, etc..
  5. AZDesertRat
    Post

    RO/DI advise?

    All normal RO or RO/DI systems waste about 4:1 in normal operation. The AquaticLife powered system sounds good in theory but has been tried by all...
    Post by: AZDesertRat, Jul 14, 2010 in forum: Filters, Pumps, etc..
  6. AZDesertRat
    Post

    RO/DI shut off

    The cheapest is an autoshutoffvalve (ASOV) on the RO and a float valve in the storage vessel or tank. A more reliable setup uses float switches and a...
    Post by: AZDesertRat, Jul 14, 2010 in forum: I made this!
  7. AZDesertRat
    Post

    Questions on ro, ro/di

    Carbon removes the chlorine and RO membrane removes the bulk of the fluoride with the DI polishing off the remaining amount. Carbon is very poor at...
    Post by: AZDesertRat, Jul 12, 2010 in forum: General Reef Topics
  8. AZDesertRat
    Post

    Questions on ro, ro/di

    But you don't have the convienience of pressurized RO water that way. Its nice to have RO at the kitche sink faucet as well as for the icemaker and...
    Post by: AZDesertRat, Jul 12, 2010 in forum: General Reef Topics
  9. AZDesertRat
    Post

    Ro tds test

    We all have opinions, most are just that, an opinion and not based on fact or science. I try to give the reasoning behind the materials I present so...
    Post by: AZDesertRat, Jul 12, 2010 in forum: General Reef Topics
  10. AZDesertRat
    Post

    Questions on ro, ro/di

    RO (Reverse Osmosis), DI (Deionized) and Distilled are thre different forms of treatment and different end products. In order of purity RO is the...
    Post by: AZDesertRat, Jul 12, 2010 in forum: General Reef Topics
  11. AZDesertRat
    Post

    Questions on ro, ro/di

    Deionized water is very agressive, it is always attempting to get back to its normal "dirty" state. It will leach or draw things out of the air,...
    Post by: AZDesertRat, Jul 12, 2010 in forum: General Reef Topics
  12. AZDesertRat
    Post

    Questions on ro, ro/di

    Drinking DI is not harmful as long as you eat your normal solid food too. You would have to survive on DI water alone for many weeks before it could...
    Post by: AZDesertRat, Jul 12, 2010 in forum: General Reef Topics
  13. AZDesertRat
    Post

    Questions on ro, ro/di

    RO is best for human consumption and RO/DI is best for a reef tank. You can get systems which have both or you can add a drinking water kit to a reef...
    Post by: AZDesertRat, Jul 12, 2010 in forum: General Reef Topics
  14. AZDesertRat
    Post

    Ro tds test

    Didn't I say that in post #10? Pressure tanks are bad news for RO/DI systems due to TDS creep.
    Post by: AZDesertRat, Jul 12, 2010 in forum: General Reef Topics
  15. AZDesertRat
    Post

    does anyone use tap water?

    Tap water is inconsistent, the whole idea with successfully keeping a reef is consistency. We use the same salt mix, at the same sepcific gravity,...
    Post by: AZDesertRat, Jul 12, 2010 in forum: General Reef Topics
  16. AZDesertRat
    Post

    Ro tds test

    17 ppm is not small when you consider many contaminants are no regulated in the parts per billion. Many are carcenogenic or cancer causing at those...
    Post by: AZDesertRat, Jul 11, 2010 in forum: General Reef Topics
  17. AZDesertRat
    Post

    Ro tds test

    You have no idea what that TDS is made up of, don't chance it. Tap water is not worth the risk nor is higher TDS RO or RO/DI as you have no idea if...
    Post by: AZDesertRat, Jul 11, 2010 in forum: General Reef Topics
  18. AZDesertRat
    Post

    RO/DI install!! (pics)

    The dual inline TDS meters are limited to two sample points so you are reading the RO only TDS (IN) and the final or RO/DI TDS (OUT), not the tap...
    Post by: AZDesertRat, Jul 11, 2010 in forum: Filters, Pumps, etc..
  19. AZDesertRat
    Post

    Ro tds test

    RO by itself will never remove everything and get you to a true 0 TDS. A new RO membrane should give you 96-98% rejection and as it ages that...
    Post by: AZDesertRat, Jul 11, 2010 in forum: General Reef Topics
  20. AZDesertRat
    Post

    Check Valve?

    Exactly, mine is 3/4" under the surface which is slightly less than the teeth on my internal overflow box.
    Post by: AZDesertRat, Jul 10, 2010 in forum: Filters, Pumps, etc..
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