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  1. AZDesertRat
    Post

    ro/di water smells

    Good. Don't store DI in a bladder or pressure tank. Its very agressive and will soon eat the rubber bladder causing all sorts of problems.
    Post by: AZDesertRat, Jan 6, 2012 in forum: Filters, Pumps, etc..
  2. AZDesertRat
    Post

    Is Teflon Tape "Reef-Safe"

    Yes it is listed by ANSI/NSF as "suitable for contact with foodstuffs". That being said I much prefer the Laco PlastoJoint sticks. They are designed...
    Post by: AZDesertRat, Jan 5, 2012 in forum: Water Chemistry
  3. AZDesertRat
    Post

    RO or DI?

    If you have corals and fish, live inhabitants it is a big deal. You have a responsibility to provide the best environment you can for the inhabitants...
    Post by: AZDesertRat, Jan 5, 2012 in forum: Water Chemistry
  4. AZDesertRat
    Post

    Unresolved RODI float valve shutoff

    All RO/DI units should come with a flow restrictor! What did you buy? Some restrictors such as Buckeye and Spectrapure supply are not visible but...
    Post by: AZDesertRat, Jan 5, 2012 in forum: ASAP
  5. AZDesertRat
    Post

    how often do you change sediment filters in RODI

    If changing your sediment filter every 6 weeks causes your membrane to work harder, you are using filters which are too coarse and are providing...
    Post by: AZDesertRat, Jan 5, 2012 in forum: Filters, Pumps, etc..
  6. AZDesertRat
    Post

    RO or DI?

    RO is not 100% effective so will always have some TDS in the effluent. DI, with fresh resin and given the correct contact time will remove almost...
    Post by: AZDesertRat, Jan 5, 2012 in forum: Water Chemistry
  7. AZDesertRat
    Post

    New ro/di tds out membrane 140 ?

    Post some photos of your plumbing, you more than likely have something crossed up. What are you testing with, where and how? What are the tap...
    Post by: AZDesertRat, Jan 5, 2012 in forum: General Reef Topics
  8. AZDesertRat
    Post

    how often do you change sediment filters in RODI

    Check with Russ at Buckeye or the folks at Spectrapure on one of their pleated sediment filters. It has 10x the surface area of a normal spun poly...
    Post by: AZDesertRat, Jan 5, 2012 in forum: Filters, Pumps, etc..
  9. AZDesertRat
    Post

    how often do you change sediment filters in RODI

    12 to 18 months for me in Phoenix with extremely hard water and a TDS of 600 to 1200. Contact Russ at Buckeye or the folks at Spectrapure and ask...
    Post by: AZDesertRat, Jan 5, 2012 in forum: Filters, Pumps, etc..
  10. AZDesertRat
    Post

    ro/di water smells

    You are not storing RO/DI in a bladder tank are you??? Not a good idea at all. If you must use a bladder tank, which isn't really a good idea for...
    Post by: AZDesertRat, Jan 5, 2012 in forum: Filters, Pumps, etc..
  11. AZDesertRat
    Post

    Flushing my RO membrane?

    Russ is correct. Make 3 to 5 gallons of RO only water without the DI cartridge installed to flush the preservatives out of the RO membrane before...
    Post by: AZDesertRat, Jan 4, 2012 in forum: Filters, Pumps, etc..
  12. AZDesertRat
    Post

    RO or DI?

    A well maintained DI machine will be better than RO only. RO acts as pretreatment for DI and removes 90 to 98% of the contaminants so the DI lasts...
    Post by: AZDesertRat, Jan 4, 2012 in forum: Water Chemistry
  13. AZDesertRat
    Post

    RO Membrane still usefull ?

    You are very close to 4:1 waste ratio (128 oz/25oz) or about 5:1 so thats not your problem. I would increase the pressure to 80 psi or higher...
    Post by: AZDesertRat, Jan 4, 2012 in forum: Filters, Pumps, etc..
  14. AZDesertRat
    Post

    Flushing my RO membrane?

    Don't waste your time. The membrane is continously flushed when the system is in operation, thats the purpose of the flow restrictor and 4:1 waste...
    Post by: AZDesertRat, Jan 4, 2012 in forum: Filters, Pumps, etc..
  15. AZDesertRat
    Post

    Looking for RO and possibly DI unit,..kinda confused/lost, need help deciding

    US Plastics has some nice storage containers but not cheap. I like that you can get one in almost any size or shape though to fit in a particular...
    Post by: AZDesertRat, Jan 4, 2012 in forum: General Reef Topics
  16. AZDesertRat
    Post

    RO/DI System

    The price is different because the quality is different. Spectrapure has spent years testing their filters and only carry the very best. The reason...
    Post by: AZDesertRat, Jan 2, 2012 in forum: Filters, Pumps, etc..
  17. AZDesertRat
    Post

    RO/DI System

    I would go with the Spectrapure with its more efficient filters, RO membrane and DI resin, then add a drinking water kit. PurelyH2o I believe has a...
    Post by: AZDesertRat, Jan 1, 2012 in forum: Filters, Pumps, etc..
  18. AZDesertRat
    Post

    RO/DI System

    I believe this will answer the bolded type quite nicely. FAQ FOR REVERSE OSMOSIS FAQ FOR REVERSE OSMOSIS 25+ years of hand testimg membranes is...
    Post by: AZDesertRat, Jan 1, 2012 in forum: Filters, Pumps, etc..
  19. AZDesertRat
    Post

    RO/DI System

    You will not find a better RO/DI than Spectrapure anywhere at any price period. No other vendor specially treats their RO membranes to increase...
    Post by: AZDesertRat, Dec 31, 2011 in forum: Filters, Pumps, etc..
  20. AZDesertRat
    Post

    Ro/di system hookup

    Copper or brass are fine on the tap water side. Its the RO and especially RO/DI water that is agressive and leaches metals so don't use any metals on...
    Post by: AZDesertRat, Dec 31, 2011 in forum: Filters, Pumps, etc..
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