At two years you might be getting close to needing to replace it. Then again maybe not. I think I got 3 years on my first membrane which is why I was so surprised at how finicky they can be after all.
Basically I wouldn't worry about replacing the RO membrane unless you get uncharacteristically high tds coming out. I.e., if you watch your tds then you'll know when it's time to replace it. I would get about 40-70 tds coming out which is still basically a tenfold reduction, so there was still function left, but still, obviously there's a problem if you get those kinds of numbers and not, say, 0 to 10.
I replace my prefilters approx. every 3 months.
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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06-27-2006, 10:10 PM
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