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  1. AZDesertRat
    Post

    Hot RO water

    They must be listening, they didn't use to sell 1 micron filters! The TDS meter will tell if the membrane needs replaced. One problem you face...
    Post by: AZDesertRat, Dec 16, 2011 in forum: New To The Hobby
  2. AZDesertRat
    Post

    Hot RO water

    OK starting from the left, you have a 5 micron sediment filter, in the middle is a 5 micron carbon block, then the wate rtravels up to the 75 GPD Dow...
    Post by: AZDesertRat, Dec 16, 2011 in forum: New To The Hobby
  3. AZDesertRat
    Post

    Ro/di suggestions please!? Cheap!

    Pretty close. Check it again as the seasons change and your water temperature warms up, you want to keep it close to 4:1 all the time and water temp...
    Post by: AZDesertRat, Dec 16, 2011 in forum: Filters, Pumps, etc..
  4. AZDesertRat
    Post

    Hot RO water

    It depends on what unit you have but most reef quality RO/DI systems have three vertical canisters under the top bracket and a horizontal RO membrane...
    Post by: AZDesertRat, Dec 16, 2011 in forum: New To The Hobby
  5. AZDesertRat
    Post

    Hot RO water

    I would get the TDS meter first or borrow one and test your rejection rate first. it may save you $45-$50 or so plus shipping on a new membrane. The...
    Post by: AZDesertRat, Dec 16, 2011 in forum: New To The Hobby
  6. AZDesertRat
    Post

    PWC schedule

    Leave the supplements and additives on the LFS shelf, you don't need them. For a reef system you might want to use a little bette rsalt though,...
    Post by: AZDesertRat, Dec 16, 2011 in forum: Water Chemistry
  7. AZDesertRat
    Post

    PWC schedule

    You don't mention what you are using for water. Is it tap water, distilled water, RO water, RO/DI or ?? What are you using for a salt mix and what...
    Post by: AZDesertRat, Dec 16, 2011 in forum: Water Chemistry
  8. AZDesertRat
    Post

    Skimmer turned into a geyser?!

    What kind of water? If its tap water with a conditioner, skimmers go bonkers. If its good RO/DI it should not have much of an effect, usually mine...
    Post by: AZDesertRat, Dec 16, 2011 in forum: General Reef Topics
  9. AZDesertRat
    Post

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

    For the sediment filter, carbon block and RO membrane it really does not matter since they are under pressure. The DI is often gravity since it is...
    Post by: AZDesertRat, Dec 16, 2011 in forum: General Reef Topics
  10. AZDesertRat
    Post

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

    The RO membrane itself is in the horizontal housing on top. It is the worhorse of thesystem and does 90-98% of the work while the others either...
    Post by: AZDesertRat, Dec 16, 2011 in forum: General Reef Topics
  11. AZDesertRat
    Post

    Ro/di suggestions please!? Cheap!

    No problem and no misunderstanding at all. My point is take their claims with a grain of salt, they don't hold much water and are not based on fact...
    Post by: AZDesertRat, Dec 16, 2011 in forum: Filters, Pumps, etc..
  12. AZDesertRat
    Post

    Ro/di suggestions please!? Cheap!

    I've never heard of US Membrane and a search does not bring anything up either. At one time they were using the Dow Filmtec 100 GPD 90% rejection...
    Post by: AZDesertRat, Dec 16, 2011 in forum: Filters, Pumps, etc..
  13. AZDesertRat
    Post

    Ro/di suggestions please!? Cheap!

    To measure the waste ratio use a measuring cup and a watch or clock. Measure the flow from the waste line for one minute and record the volume. Then...
    Post by: AZDesertRat, Dec 16, 2011 in forum: Filters, Pumps, etc..
  14. AZDesertRat
    Post

    Ro/di suggestions please!? Cheap!

    Make sure to test the tap water TDS, RO only TDS and RO/DI TDS all three. The true test of a RO/DI system is how well the RO membrane performs, this...
    Post by: AZDesertRat, Dec 16, 2011 in forum: Filters, Pumps, etc..
  15. AZDesertRat
    Post

    Hot RO water

    RO membranes are an extremely thin plastic film wrapped or wound around a core and glued together. They cannot take anything over 113 degrees F for...
    Post by: AZDesertRat, Dec 16, 2011 in forum: New To The Hobby
  16. AZDesertRat
    Post

    Ro/di suggestions please!? Cheap!

    The booster pump makes the membrane work more efficiently. Membranes are tested and rated up to 150 psi or higher, its the housings and fittings that...
    Post by: AZDesertRat, Dec 16, 2011 in forum: Filters, Pumps, etc..
  17. AZDesertRat
    Post

    Ro/di suggestions please!? Cheap!

    I have critiqued the Water General/Filters Direct systems many times and they are very low end drinking water systems at best. Not to burst your...
    Post by: AZDesertRat, Dec 16, 2011 in forum: Filters, Pumps, etc..
  18. AZDesertRat
    Post

    Ro/di suggestions please!? Cheap!

    The difference in most of the Spectrapure systems is the filter micron sizes, whether the RO membrane has been treated and batch tested or if it has...
    Post by: AZDesertRat, Dec 16, 2011 in forum: Filters, Pumps, etc..
  19. AZDesertRat
    Post

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

    Yes. Horizontal DI chambers usually do not hold near as much resin for one but most importantly water takes teh path of least resistance and channels...
    Post by: AZDesertRat, Dec 16, 2011 in forum: General Reef Topics
  20. AZDesertRat
    Post

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

    Forget the word "Stages" exists. That is an Ebay sales gimmic to make a bad system sound like the best thing since sliced bread, making you think...
    Post by: AZDesertRat, Dec 15, 2011 in forum: General Reef Topics
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