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Old 06-03-2011, 01:55 PM   #1
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How often do you change your ro/di filters?

I heard somewhere that the harder your tap water is, the more often you'll have to change your filters. Since the tap water where I live is like liquid rock, I'm a little apprehensive about getting an ro system.

Anyone have any experience with this?

Thanks
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Old 06-03-2011, 02:03 PM   #2
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I change it when the outflow side's TDS reach 010, they run at 001-003 normally. My tap isnt quite liquid rock but 8.8 is close enough.
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Old 06-03-2011, 04:53 PM   #3
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they recommend every 12 months their good for about 3000 gallons but if you have a tds meter like whitedevil said once the tds starts raising then you know its getting close to time to change out the filters
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