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  1. New Member Introductions
    yesterday i installed a 5 stage ro system that i bought from ebay.(http://www.ebay.com/itm/BLUONICS-5-Stage-Reverse-Osmosis-Drinking-Water-System-RO-Home-Purifier-50GPD/252906247694?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649) here in israel tap water is hard,my tap water tds is...
  2. General Reef Discussion
    Hey, quick question: My RODI unit (BRS 4-stage Value Unit) is reading 002 TDS for output. I'm assuming this means it's time to replace the filters. I haven't done that before. I assume this kit: http://www.bulkreefsupply.com/brs-4-stage-value-replacement-filter-kit.html is the one to get...
  3. Northeast Florida Marine Aquarium Society
    FREE Senno Dual Inline TDS meter (orders > $100, enter code: “FREEDUALTDS” in your cart) & FREE SHIPPING (orders > $130 , enter code: “FREESHIP” in your cart)...Don’t forget to credit Northeast Florida Marine Aquarium by using your club’s unique 10% off code: (enter code: “41216” in your cart)...
  4. Reefing Equipment
    I just got calibration fluid in the mail for the TDS meter I bought awhile back. I dipped my meter in distilled water and it read 0 ppm. I dipped it in the calibration fluid and it reads 783 ppm and the fluid is 1000ppm. There's no where for a screw driver to go into this TDS meter soooooo...
  5. General Reef Discussion
    After running my tank for two years now, I'm finally getting tired of lugging 5 gallon buckets back and forth from the LFS to get my RO/DI. I had been set of getting the Spectrapure refurbished 90 GPD unit that so many on here recommend, but I was talking to the owner of my LFS last night...
  6. Northeast Florida Marine Aquarium Society
    :rimshot:~ FREE TDS meters on ALL orders over $40! ~ (enter code: “FREETDS” in your cart) Don’t forget to credit Northeast Florida Marine Aquarium by using your club’s unique 10% off code: (enter code: “41216” in your cart). Enter your discount code(s), click the orange “apply coupon” button in...
  7. General Reef Discussion
    I have an RO water question. I have been using my home drinking water RO filter from GE. It doesnt put out lot of water, I know, But I dont need that much right now since Im only running a small Nano tank. Id rather not have to spend the money on a new RO/DI system if I dont have to. We have...
  8. General Reef Discussion
    I know that if water sits long enough within the RO housing, the TDS will shoot up as high as 100ppm, but my main concern is, are those PPM mainly dissolved various salts? like, no bacteria, or organic compound can be passed through the membrane, right? and so it is still better to drink the...
  9. General Reef Discussion
    Hi, I recently started using a new 4 stage 150gpd ro unit - I am on well water that is about 7.0 ph and 120-130 ppms on the .5 scale. Water is coming out of the membrane at 50-60ppms with new filters; membrane appears to be properly seated. This is not creeping tds issue it has been like this...
  10. General Reef Discussion
    Hey all, I'm working on my sump plumbing, and making some decisions about what types of plastics to use. I got my kid sister to teach me a bit about the diff types there are, and I've pretty much got my head around the BPA's, HDPE's, and PVC's and XYZ's. But along the way, I've read a bunch of...
  11. Large Systems
    Hey guys, I just finished plumbing my 130gal dt with a 50 gallon external refugium. I have two corner overflows and all the plumbing is working amazing and the pump (iwaki md70rlt Japanese motor) is a beast! I am using a spectra pure RO/DI system that is only a few months old and has always...
  12. Skimmers & other filtration
    Hello Everyone, I have a doubt about my RO/DI system, I hope you might help me. Two months ago I bought a Coralife Pure-Flo II - 50 GPD 3 Canister RO System w/ Pum with an additional DI canister. After the 10 gallon discarded water the TDS was 0 ppm. After aprox. 80 gallon of water produced...
  13. General Reef Discussion
    Well here's my dilemma , I just filled my new 150 inwall build, Independence tank, with approx 175gallons of salt water from my local RODI dispenser. It's been cycleing for a couple weeks. Yesterday I received my new TDS meter and tested my waster that I had been using for top off , 25ppm not...
    tds
  14. Rochester Minnesota Marine Aquarium Club (RMMAC)
    A question was raised at our April 24th meeting regarding the ion contamination of TDS=0 water when stored in a plastic container. The question was raised in regards to an experience that Jeff had when transporting RO/DI water in plastic containers and noticing a significant rise. I did a test...
    tds
  15. General Reef Discussion
    I've run into a strange situation - trying to figure out what exactly this could mean. I am using a 75gpd BRS ro/di unit with built-in dual inline TDS meter. I am getting 8 TDS after the RO (for those familiar with the BRS units, the "in" position on the TDS meter). However, I am seeing 28 TDS...
  16. General Reef Discussion
    I'm a student, and I have a student's budget. I am therefore running head-first into breaking what seems to be the cardinal sin of reef tank keeping: I'm planning on using tap water. This isn't a problem that needs fixing, its a fact that I have to deal with. The LFS sells RO/DI water at a...
  17. General Reef Discussion
    I have a 5 stage RODI BRS unit with a separate TDS digital meter that was reading 0 TDS. I decided to buy a hand held TDS3/Temp meter just to double check it.(I like redundancy) Now when I measured my RODI in my ATO storage container with the hand held I was getting a PPM reading of 002. I...
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