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Old 05-15-2007, 12:02 AM   #1
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Is this a good RO/DI system?

Is this a good RO/DI system for starting on mixing my own SW?

http://cgi.ebay.com/125GPD-RO-2-DI-A...QQcmdZViewItem

Thanks,
Lu
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Old 05-15-2007, 09:19 AM   #2
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When evaluating a RO unit, I look for a couple of things:

1.) Clear prefilter canisters so I can see how dirty they are getting.

2.) 10" full size, vertical DI cartridges because there is little possibility of channeling and they hold more resin.

3.) A high rejection membrane. While they claim, their membrane "removes 98% to 99.99% of all chemical and harmful dissolved elements and 99% of all bacteria" their claimed TDS changes show a different story. "(1.)Tap or well water(300 PPM) ---> (2.)After RO system(20 PPM) ---> (3.)After DI filter(0 PPM)" That would be a 93.33% rejection rate. I believe SpectraPure units are 98% rejection units. That means you will use that much less DI resin.
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Old 05-15-2007, 11:48 AM   #3
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I just resently ordered my RO/DI unit.
I was looking at the one you posted but then I looked at the warranty
Warranty Information and Return Policy
14 days DOA (Dead On Arrival) warranty:

I found one that had a 2 year warranty but I went w/ a Typhoon
http://cgi.ebay.com/TYPHOON-III-AQUA...QQcmdZViewItem

It has the clear canisters and a Lifetime warranty.
May be a bit more but i rather pay a bit more now and not have to worry vs paying less and wishing I hadnt.

by the time I get home today I should have my RO/DI unit waiting for me hehe
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Old 05-15-2007, 01:52 PM   #4
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Quote:
Originally Posted by madhatter208
I just resently ordered my RO/DI unit.
I was looking at the one you posted but then I looked at the warranty
Warranty Information and Return Policy
14 days DOA (Dead On Arrival) warranty:

I found one that had a 2 year warranty but I went w/ a Typhoon
http://cgi.ebay.com/TYPHOON-III-AQUA...QQcmdZViewItem

It has the clear canisters and a Lifetime warranty.
May be a bit more but i rather pay a bit more now and not have to worry vs paying less and wishing I hadnt.

by the time I get home today I should have my RO/DI unit waiting for me hehe
Please post back on your impression of the system or email me driectly
Thanks,
Lu
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Old 05-15-2007, 01:59 PM   #5
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Lu, you may want to edit your email address out of public view, otherwise spam "bots" may find it, or PM it to madhatter208.
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Old 05-15-2007, 04:26 PM   #6
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The info that Steven gave you is right on the money. I have the same charateristics on mine and I can speak from experience that he`s right on the money. It would be a very good idea to follow those points he brought up. This is the one I have and even though pricey it gives you a good picture of what Steven is talking about.
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Old 05-15-2007, 06:48 PM   #7
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Just got it and not really familar w/ all the stuff just yet.
It came w/ a TDS meter and I checked my tap water just to see what it was.
The reading I got was 151. It didnt show an x10 on the meter so im assumeing it ment it was 151 ppm.

I still have to hook up the system. I'll run another TDS test on the tap, After the RO, and then after the DI. As I understand it this will tell me just how well the unit is working.

I got the 75g per day so in theory i should get 3 gal per hour max. (depending how good the water is to start out with ).

I will keep you posted.
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Old 05-15-2007, 07:16 PM   #8
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Quote:
Originally Posted by madhatter208
Just got it and not really familar w/ all the stuff just yet.
It came w/ a TDS meter and I checked my tap water just to see what it was.
The reading I got was 151. It didnt show an x10 on the meter so im assumeing it ment it was 151 ppm.

I still have to hook up the system. I'll run another TDS test on the tap, After the RO, and then after the DI. As I understand it this will tell me just how well the unit is working.

I got the 75g per day so in theory i should get 3 gal per hour max. (depending how good the water is to start out with ).

I will keep you posted.
Thanks Man i will check back later 8) .
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