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R/O Water Question http://www.thereefhub.com/viewtopic.php?f=70&t=467 |
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Author: | redsoxbill [ Mon Feb 20, 2012 7:48 pm ] |
Post subject: | R/O Water Question |
At what point do you change your R/O water filters my current perameters are in: 200PPM, Out: 008 ppm? |
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