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#1
01-22-2008, 07:21 AM
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I've got an aquasafe. For some reason they don't have the best reputation. In my experience it's been a good unit. I just changed the filters yesterday, I've been running it for 5 years. I know they should be changed more often. My tap water is around 1300 on the TDS and pre change the unit was at 83. After running about 30 gals through the pressure tanks and system I'm down to 0 on the TDS. That 83 reading was after 5 years of skunky well water, family of 4, neighbour who gets 10 gal/week and 8 fish tanks totalling about 250 gal. So she put through a ton of water.
HTH Brad 
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#2
01-23-2008, 03:35 AM
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Depends what your tap water is like. My tap water has a tds of 92, and the water coming out of my RO is 1 ppm, so my DI cartridge doesn't have to work very hard at all.
I think each DI cartridge can only filter up to 40 ppm, so if your water after going through RO is higher than 40, then you'll need additional DI. I am not so sure I am correct on that though...
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#3
01-23-2008, 04:28 AM
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I've got an aquasafe that I'm very happy with. I've had it for just over 2 years now and it's working great. Takes my 75ppm tap water and knocks it down to 0 ppm.
I bought the maximus kit that came with a case of filters, enough to change them 7 times, so at that rate, it should be good for 14 years at my current usage.
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#4
01-23-2008, 04:38 AM
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Almost word for word what Dan said. I have had it for over a couple of years and use the heck out of it. Love it!
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#5
01-23-2008, 05:05 AM
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I picked up a Coralife Pure-Flo unit 3 or 4 weeks ago. So far I like it OK... although this is my first RO/DI unit of any type so I don't have anything to compare it to. Tap water going in is around 250 ppm and the water I got from the filter today read 0 ppm on the TDS meter.
Bruce
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#7
01-23-2008, 05:09 AM
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I've got an aquasafe unit, I think I bought it in 2003 or thereabouts. Changed the RO on it for the first time last year (I don't know whether it needed it or not, but I did it anyways). I change out the filters about every 6 months or when I remember. DI probly gets changed yearly on it, although I bought one of those see through canisters that has the color changing resin so now I'll change it when it turns orange.
__________________
Christy's Reef Blog My 180 Build Every electronic component is shipped with smoke stored deep inside.... only a real genius can find a way to set it free.
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#8
01-23-2008, 05:19 AM
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I also have an Aquasafe unit that I'm quite happy with. As long as I flush the RO membrane monthly (or so), I get regular TDS readings of 0.
__________________
~Drew 10G Nano * 10G Sump * Deltec MCE 600 Skimmer * JBL Viper 150w MH * Zeovit * Vortech MP40W Millions long for immortality who do not know what to do with themselves on a rainy Sunday afternoon. ~S. Ertz 
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