RO/DI question??

rjs5134 · 03-02-2006, 06:06 PM

I purchased an RO/DI filter online over a year ago, but can't remember where I purchased it from. If I remember correctly, it was supposed to produce about 60gallons/day and did so. I haven't used it in several months, but it now produces that in a few hours. Would lack of use cause the filter media to go bad? Would replacing the filter correct this? Thanks in advance for your help.

Steven Pro · 03-02-2006, 07:43 PM

It is possible that the membrane could have dry rotted, but I would think that would take longer than a few months. But, if water is just flying through the unit, it does not sound like the membrane is working right. I would probably replace the membrane, prefilters, and DI cartridge.

N2DEEP · 03-04-2006, 02:45 PM

test your TDS that will tell you how the filter is

rjs5134 · 03-04-2006, 06:45 PM

N2deep, Tds?????

BubbaWPB · 03-05-2006, 11:41 AM

TDS=total dissolved solids... there are cheap meters to test this. One of the sponsors, Aqua Fx sells them, if you're interested.

Unresistible Blue · 05-22-2006, 09:52 PM

Did you get your RO system issue worked out?

rjs5134 · 05-23-2006, 09:25 AM

Yeah I did, found a model number of the DI filter. It was a Spectra-Pure filter. I ordered all new inserts and it works like it was supposed to. I haven't tested for TDS yet, but will shortly. In the meantime, I did a large water change the other night and everything looks great. Thanks for asking.

03-02-2006, 06:06 PM	#1
rjs5134 Council Join Date: Feb 2005 Location: Denville, NJ Posts: 395	RO/DI question?? I purchased an RO/DI filter online over a year ago, but can't remember where I purchased it from. If I remember correctly, it was supposed to produce about 60gallons/day and did so. I haven't used it in several months, but it now produces that in a few hours. Would lack of use cause the filter media to go bad? Would replacing the filter correct this? Thanks in advance for your help.

03-05-2006, 11:41 AM	#5
BubbaWPB Governor Join Date: Sep 2005 Location: West Palm Beach, FL Posts: 1,234	TDS=total dissolved solids... there are cheap meters to test this. One of the sponsors, Aqua Fx sells them, if you're interested. __________________ Bubba Hmmm... now that the tank is full, I could convert the pool to saltwater... Bubba's Aquarium Log

05-22-2006, 09:52 PM	#6
Unresistible Blue Tenant Join Date: Jun 2002 Location: Ohio Posts: 83	Did you get your RO system issue worked out? __________________ http://www.BuckeyeFieldSupply.com RO and RO/DI supplies and systems. _____________________________ 200g tank w/ southdown dsb, ~150 lbs live rock, 2 Maxijet 1200, 2 x 400w MH, 2 x 165w actinic blue; 55g refugium with dsb, grape and razor, NO 40w on 12 hrs, Minijet 404; 44g rubbermaid brute sump. Iwaki 70 pump.

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03-02-2006, 07:43 PM	#2
Steven Pro Mayor Join Date: Feb 2005 Location: Pittsburgh, PA Posts: 672	It is possible that the membrane could have dry rotted, but I would think that would take longer than a few months. But, if water is just flying through the unit, it does not sound like the membrane is working right. I would probably replace the membrane, prefilters, and DI cartridge.

03-04-2006, 02:45 PM	#3
N2DEEP New in Town Join Date: Feb 2004 Location: SoCal Posts: 4	test your TDS that will tell you how the filter is

03-04-2006, 06:45 PM	#4
rjs5134 Council Join Date: Feb 2005 Location: Denville, NJ Posts: 395	N2deep, Tds?????

05-23-2006, 09:25 AM	#7
rjs5134 Council Join Date: Feb 2005 Location: Denville, NJ Posts: 395	Yeah I did, found a model number of the DI filter. It was a Spectra-Pure filter. I ordered all new inserts and it works like it was supposed to. I haven't tested for TDS yet, but will shortly. In the meantime, I did a large water change the other night and everything looks great. Thanks for asking.

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