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Old 02-01-2010, 05:36 PM   #1
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Advise on an inexpensive portable RO unit

I really want an RO unit, but I might be moving soon and don't want to deal with having a big instalation prosess.
portable countertop reverse osmosis drinking water system - remove fluoride, chemicals, pharmaceuticals, prescription drugs and more
I had my eye on this one, any opinions?
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Old 02-01-2010, 06:04 PM   #2
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If it was me I would consider a RO/DI unit.
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Old 02-01-2010, 06:11 PM   #3
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What's the diference between RO and RODI?
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Old 02-01-2010, 06:27 PM   #4
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DI=de-ionizer.

This eBay seller has some portable units, all good prices.

eBay Store - purewaterclub: Filters, RO System Parts, Options

like this RO/DI for $68 shipped

0PPM Portable 100GPD Reverse Osmosis RO+DI Water Filter - eBay (item 380201606554 end time Feb-01-10 18:50:23 PST)
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Old 02-01-2010, 06:53 PM   #5
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Why are these so cheap?? The one I posted above was 3X the price and I don't see much difference between them. I just know I want a good one that will work the way it should.
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Old 02-01-2010, 09:09 PM   #6
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The others are more expensive because people will pay it. The other reason is that the other usually add more features, such as dual TDS meters, pressure gauges, double-gasket quick-connect fittings, etc etc. What it comes down to is that the media is roughly the same and the RO membrane is always the same, made in the USA, TFC (thin film composite, for use in chlorinated water municipal supply only), and usually the other are a lower GPD. Bottom line is that you don't need before and after TDS meters, you just need this one

Amazon.com: HM Digital Pocket Size TDS Meter TDS-4 Water Quality Tester: Kitchen & Dining

And you test your output water every so often, when the TDS starts to rise, you change your pre-filters, or you track how much water you make and decide when you're going to change them. www.bulkreefsupply.com does carry a few better filter cartridges, one is their 3rd stage 0.6 micron filter, versus purewaterclub's 5 micron 3rd stage, but I just plan on replacing that one with the one from BRF when I need to, and will probably order my carbon block 2nd stage from them too. But their system price was 2.5-3x so it just wasn't worth it. Like you said, it works like it should, 0 ppm, and there's no difference between theirs and anyone else's 0 ppm water.

I got the 150 GPD dual DI one and bought a couple shutoff valves & T's at Menards and rigged it so that I can boost my existing household system before the DI when I'm not using it.
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